A Glossary Terms

A33 is a laboratory-made protein called a monoclonal antibody that can find and attach to certain cancer cells. It helps doctors detect or target cancer cells during tests or treatments. A33 is not a specific drug or treatment but a tool used in cancer care to improve how cancer is found and treated. Patients may see this term in medical reports or treatment discussions.

A6 is a small piece of a protein related to urokinase, an enzyme that helps break down blood clots. It is being studied as a possible cancer treatment because it may help stop tumors from growing new blood vessels and spreading to other parts of the body. A6 is not yet a standard treatment but may appear in clinical trials or research discussions.

AAP, or alanine aminopeptidase, is an enzyme normally found in healthy kidneys. Higher levels of AAP in urine can signal kidney damage. Doctors may check AAP to help detect kidney problems caused by medicines or other health issues. It is also used to monitor kidney and liver health during cancer treatment, helping protect these organs from side effects.

AAT deficiency, also called alpha-1 antitrypsin deficiency, is a genetic condition where the body makes too little or a faulty form of a protective protein called alpha-1 antitrypsin. This protein helps protect the lungs and liver from damage. When it’s missing or abnormal, it can lead to lung problems like emphysema and liver issues including cirrhosis or liver cancer. Knowing about AAT deficiency can be important in cancer care, especially for liver health.

Abarelix, also called Plenaxis, is a medication used to lower testosterone levels in men with advanced prostate cancer when other treatments are not suitable. It belongs to a group of drugs called GnRH antagonists, which help control hormone levels that can affect cancer growth. Patients may hear this term during treatment discussions or see it in medical reports related to prostate cancer care.

The ABCA1 pathway is a group of proteins in cells that help remove extra cholesterol and fats from body tissues. This process supports heart and blood vessel health. In cancer care, understanding this pathway may help researchers explore new treatments. Patients might see this term in test results, treatment plans, or clinical trial information related to how the body handles fats and cholesterol.

The ABCD Rating is a system doctors use to describe how far prostate cancer has spread. It uses letters A through D to show if the cancer is only inside the prostate, has grown outside it, or has spread to lymph nodes or other parts of the body. This helps guide treatment decisions and gives a simple way to understand the cancer’s stage.

The abdomen is the area between your chest and hips that holds important organs like the stomach, liver, pancreas, intestines, and gallbladder. It plays a key role in digestion and energy management. In cancer care, the abdomen is often discussed because many cancers can start or spread in this area. You might hear the term during doctor visits, tests, or treatment planning.

Abdominal refers to the area of the body between the chest and hips. This region contains important organs like the stomach, liver, intestines, pancreas, and gallbladder. In cancer care, the term abdominal helps describe where tumors, tests, or treatments are focused, making it easier for patients to understand which part of the body is involved.

Abdominal breathing, also called deep or diaphragmatic breathing, is a simple relaxation technique where you breathe deeply using your diaphragm and belly muscles. It helps increase oxygen in your blood and can reduce stress, pain, and anxiety. This method is often recommended during cancer care to support comfort and calmness.

An abdominal ultrasound is a safe and painless test that uses sound waves to create images of the organs inside your belly. A small device called a transducer is moved over your skin to send sound waves that bounce off tissues and form pictures on a screen. This test helps doctors check organs like the liver, kidneys, and pancreas for problems or to monitor health during cancer care.

The abdominal wall is made of layers of skin, muscles, fat, and other tissues that cover and protect the organs inside the belly area between the chest and pelvis. These muscles help with actions like coughing, sneezing, and bowel movements. In cancer care, the abdominal wall is important because tumors can grow near or involve these layers, and it may be affected during surgery or radiation treatment.

An abdominal X-ray is a quick, painless imaging test that uses a small amount of radiation to take pictures of the organs inside the belly. It helps doctors check for problems like blockages or unusual changes. In cancer care, it can assist in finding signs of cancer, monitoring treatment effects, or spotting complications in the abdomen.

Abdominoperineal resection is a surgery that removes the anus, rectum, and part of the lower colon through an incision in the abdomen. After surgery, waste leaves the body through a new opening called a colostomy, where a bag collects it. This operation is often used to treat cancers affecting these areas and may include removing nearby lymph nodes.

Abecma (also called idecabtagene vicleucel) is a treatment for adults with multiple myeloma when the cancer has returned or not improved after other therapies. It uses a patient’s own immune cells, changed in a lab to better find and attack myeloma cells. This therapy is part of a newer approach called CAR T-cell therapy, designed to help the immune system fight cancer more effectively.

Abegrin, also called etaracizumab or MEDI-522, is an experimental medicine being studied to treat some cancers. It works by attaching to a protein on blood vessels, which may stop tumors from growing new blood vessels they need to grow and spread. Abegrin is a type of lab-made protein called a monoclonal antibody that targets blood vessel growth in tumors.

Abemaciclib, also called Verzenio, is a targeted cancer drug used mainly to treat certain types of breast cancer in adults. It works by blocking proteins that help cancer cells grow. It is often combined with hormone therapies for hormone receptor-positive, HER2-negative breast cancer and is being studied for other cancers as well.

Aberrant Crypt Foci (ACF) are tiny clusters of abnormal gland-like structures in the lining of the colon and rectum. They are among the earliest changes seen before colorectal polyps develop and may signal early changes linked to colon cancer risk. Finding ACF helps doctors monitor colon health and decide on screening or preventive steps.

ABI-007, also called Abraxane or nanoparticle paclitaxel, is a special form of the chemotherapy drug paclitaxel. It is used to treat certain breast, lung, and pancreatic cancers. This version may work better and cause fewer side effects than traditional paclitaxel. Patients might hear this term during treatment discussions or when exploring clinical trials.

Abiraterone acetate is a medicine used to treat prostate cancer that has spread to other parts of the body. It works by lowering male hormones like testosterone, which can help slow cancer growth. It is often given with other medicines and is used when cancer no longer responds to initial hormone treatments or when cancer is high risk but still sensitive to hormone therapy.

Ablation is a medical treatment that removes or destroys part of the body’s tissue. In cancer care, it often means destroying cancer cells in a tumor without surgery. Ablation can use heat, cold, drugs, or other methods to target tumors, helping control cancer when surgery isn’t possible or as part of other treatments. Knowing about ablation helps patients understand their care and treatment options.

Abnormal means something is not normal or usual. In medicine, it often describes changes in the body that might be harmless, precancerous, or cancerous. You may hear this term when doctors discuss test results, scans, or biopsies. Understanding what abnormal means can help you ask questions and better follow your care plan.

The ABO blood group system classifies human blood into four types—A, B, AB, and O—based on markers on red blood cells. It is essential for safely matching blood during transfusions. In cancer care, knowing your blood type helps doctors plan treatments that may involve blood transfusions or stem cell transplants to support your recovery.

An ABR test (Auditory Brain Stem Response test) is a painless hearing test that uses small sensors on your head to measure how your brain and hearing nerves respond to sounds. It helps find hearing problems caused by nerve damage or tumors, which can be important during cancer diagnosis or treatment.

The Abrams Method, also called Radionics or Abrams needle biopsy, is a medical procedure that uses a needle to take small tissue samples from the pleura, the thin lining around the lungs. This helps doctors diagnose conditions like infections or cancer by examining the tissue under a microscope. A modified version of this method improves sample collection without adding extra risks.

Abraxane is a special form of the chemotherapy drug paclitaxel used to treat certain breast, lung, and pancreatic cancers. It works by stopping cancer cells from growing and dividing. This version uses tiny protein particles to deliver the medicine, which may reduce some side effects and allow higher doses. Patients may hear about Abraxane when discussing chemotherapy options or treatment plans.

Abraxane, also called Protein-Bound Paclitaxel Nanoparticle Therapy, is a chemotherapy that uses tiny protein-bound particles to deliver the drug paclitaxel directly to cancer cells. This method helps the medicine reach tumors more effectively and may reduce some side effects compared to traditional paclitaxel treatments. It is commonly used to treat breast, pancreatic, and non-small cell lung cancers.

An Abrikossoff tumor, also called a granular cell tumor, is a rare growth that usually starts in cells supporting nerves. It most often appears in or under the skin of the head and neck, especially in the mouth or tongue. Most are not cancerous, but some can be malignant and spread nearby. Understanding this term helps patients discuss diagnosis and treatment options with their healthcare team.

An abscess is a swollen, painful pocket of pus that forms when the body fights an infection. It can occur in skin, tissues, or organs. In cancer care, abscesses may happen more often because treatments can weaken the immune system. Knowing about abscesses helps patients recognize infection signs and understand when to get medical help.

The abscopal effect is a rare response where tumors shrink or disappear in parts of the body that were not directly treated, often after radiation therapy. It happens because the immune system is activated to fight cancer throughout the body. While still being studied, this effect offers hope for improving treatment of cancer that has spread.

Distant or absent healing describes when the body does not heal or repair tissue as expected after injury, surgery, or treatment. In cancer care, it often refers to delayed or incomplete recovery of tissues affected by treatments like surgery or chemotherapy. Understanding this term helps patients and caregivers recognize when healing is slower or incomplete and encourages discussion with healthcare providers about next steps.

Absolute Neutrophil Count (ANC) measures the number of neutrophils, a type of white blood cell that helps fight infections, in your blood. It’s important in cancer care because treatments like chemotherapy can lower ANC, increasing infection risk. You might see ANC results in blood tests or treatment plans. A low ANC doesn’t always mean infection but signals the need for careful monitoring and care.

Absolute risk is the actual chance that a person will develop a specific type of cancer over a certain period. It helps patients and caregivers understand how likely cancer is to occur based on factors like age and health history. Knowing absolute risk can guide decisions about cancer screening, prevention, and treatment planning.

Absorption is the process where nutrients from the food you eat move from your digestive system into your bloodstream. This allows your body to use these nutrients for energy and repair. In cancer care, absorption is important because treatments may affect how well your body gets the nutrition it needs for treatment and recovery.

ABT-263, also called navitoclax, is an experimental drug studied for treating cancers like lymphomas. It works by blocking proteins that help cancer cells survive, encouraging them to die. While not yet a standard treatment, ABT-263 is being tested in clinical trials to explore new ways to improve cancer care. It may also appear under related names such as Navitoclax.

ABT-510 is an experimental drug studied for cancer treatment. It belongs to a group called angiogenesis inhibitors, which work by blocking new blood vessel growth that tumors need to grow. ABT-510 is not yet a standard therapy and is mainly seen in clinical trials or research settings. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

ABT-751 is an experimental drug being studied as a possible treatment for cancer. It belongs to a family of medicines called sulfonamides. While not yet approved for routine use, ABT-751 is being tested in clinical trials to learn if it can help slow or stop cancer growth. Patients may hear about it when discussing research or new treatment options.

ABT-869 is an experimental cancer drug that blocks signals cancer cells use to grow and stops tumors from making new blood vessels. It belongs to a group called receptor tyrosine kinase inhibitors and angiogenesis inhibitors. ABT-869 is still being studied and is not yet a standard treatment but may be discussed during clinical trials or treatment planning.

ABT-888, also called veliparib, is a drug being studied to treat certain cancers, especially breast cancers linked to BRCA gene changes. It works by blocking an enzyme that helps repair damaged DNA in cells, which may cause cancer cells to die. ABT-888 is still under research and is not yet a standard treatment.

ABVD is a chemotherapy treatment used mainly for Hodgkin lymphoma. It combines four drugs—doxorubicin, bleomycin, vinblastine, and dacarbazine—that work together to fight cancer cells. Patients may hear this term during diagnosis, treatment planning, or when discussing chemotherapy options. Understanding ABVD helps patients know what to expect and how it fits into their care.

The ABVD regimen is a chemotherapy treatment combining four drugs—doxorubicin, bleomycin, vinblastine, and dacarbazine—used mainly to treat Hodgkin lymphoma, a cancer of the lymphatic system. This combination helps attack cancer cells in different ways to improve treatment effectiveness. Patients may hear about ABVD during diagnosis or treatment planning to understand their care options.

ABVE is a chemotherapy combination used with radiation therapy to treat Hodgkin lymphoma in children. It includes four drugs—doxorubicin, bleomycin, vincristine, and etoposide—that work together to attack cancer cells in different ways. Families may hear this term during treatment discussions or see it in medical reports, helping them understand the planned therapy and what to expect.

The ABVE Regimen is a combination of four chemotherapy drugs—doxorubicin, bleomycin, vincristine, and etoposide—used with radiation therapy to treat children with Hodgkin lymphoma. These medicines work together to attack cancer cells in different ways. Families may hear this term during treatment discussions or see it in medical reports, helping them understand the planned therapy and what to expect.

ABVE-PC is a chemotherapy treatment used with radiation to fight Hodgkin lymphoma in children. It combines six different cancer-fighting drugs that work together to attack cancer cells in various ways. Families may hear this term during doctor visits or in treatment plans. Understanding ABVE-PC helps caregivers feel more informed about the treatment process and what to expect.

The ABVE-PC regimen is a combination of six chemotherapy drugs used with radiation therapy to treat Hodgkin lymphoma in children. These medicines work together to attack cancer cells in different ways. Families may hear this term during doctor visits or see it in treatment plans. Understanding ABVE-PC helps patients and caregivers know more about the treatment and what to expect.

ABX-EGF, also called panitumumab or Vectibix, is a targeted medicine used to treat certain colorectal cancers that have spread. It works by blocking a protein on cancer cells called EGFR, which helps stop their growth. This drug may be part of treatment plans when other therapies have not worked or as a first option in some cases.

AC is a chemotherapy treatment combining two drugs, doxorubicin and cyclophosphamide, mainly used to treat breast cancer. It may be part of a plan for cancer that has spread or returned. Patients might hear this term during treatment discussions or see it in medical reports. Knowing about AC helps patients understand their therapy and what to expect during care.

The AC Regimen is a chemotherapy treatment combining two drugs, doxorubicin and cyclophosphamide, mainly used to treat breast cancer. It is often part of a larger treatment plan, especially when cancer has spread or returned. Patients may hear this term during treatment discussions or see it in medical records related to their care.

AC-T is a chemotherapy treatment mainly used for breast cancer. It combines three drugs—doxorubicin, cyclophosphamide, and paclitaxel—given in a specific order to attack cancer cells in different ways. Patients may hear this term during treatment discussions or see it in medical reports. Understanding AC-T helps patients know what medicines they might receive and what to expect during therapy.

The AC-T Regimen is a chemotherapy treatment mainly used for breast cancer. It combines three drugs—doxorubicin, cyclophosphamide, and paclitaxel—given in a specific order to attack cancer cells in different ways. Patients may hear this term during treatment planning or in medical reports. Understanding this regimen helps patients know what to expect and how it fits into their overall care.

AC-T-T is a chemotherapy treatment for breast cancer that uses a sequence of four drugs: doxorubicin and cyclophosphamide first, followed by paclitaxel and trastuzumab. This combination targets cancer cells in different ways and is often chosen when the cancer has specific features like HER2 positivity. Patients may hear this term during treatment discussions or see it in medical records.

The AC-T-T Regimen is a chemotherapy treatment for breast cancer that uses a sequence of four drugs: doxorubicin and cyclophosphamide first, followed by paclitaxel and trastuzumab. This combination targets cancer cells in different ways and is often chosen when the cancer has specific features like HER2 positivity. Patients may hear this term during treatment discussions or see it in medical records.

The AC-Taxol Regimen is a chemotherapy treatment mainly used for breast cancer. It combines three drugs—doxorubicin, cyclophosphamide, and paclitaxel—given in a specific order to attack cancer cells in different ways. Patients may hear this term during treatment discussions or see it in medical reports. Knowing about this regimen helps patients understand their treatment plan and what to expect.

The AC-TH Regimen is a chemotherapy treatment for breast cancer that uses a sequence of four drugs: doxorubicin and cyclophosphamide first, followed by paclitaxel and trastuzumab. It is often used when the cancer has specific features like HER2 positivity. Patients may hear this term during treatment discussions or see it in medical records as part of their breast cancer care.

Acalabrutinib Maleate Monohydrate, also known as Calquence, is a medicine used to treat certain blood cancers in adults. It works by blocking a protein called BTK that helps cancer cells grow. This targeted therapy can be used alone or with other drugs, depending on the type and stage of cancer. Patients may hear this name during diagnosis, treatment planning, or medication discussions.

ACAPHA is a traditional blend of six herbs used in China to help prevent and treat certain cancers, such as lung and esophageal cancers. It is currently being studied in North America to see if it might help prevent lung cancer in people who used to smoke. While not a standard cancer treatment, patients may hear about ACAPHA when exploring complementary or alternative options alongside conventional care.

Accelerated Approval is a special FDA process that lets certain new drugs for serious or life-threatening diseases, like some cancers, reach patients faster than usual. It is based on early signs that the drug might help, such as shrinking tumors. While this allows quicker access to promising treatments, further studies are needed to confirm the drug’s safety and effectiveness.

Accelerated Partial-Breast Irradiation (APBI) is a focused radiation treatment that targets only the part of the breast where cancer was found. It delivers higher doses of radiation over a shorter time than standard whole-breast radiation. APBI can be given using external machines or small devices placed inside the breast and is sometimes called partial-breast irradiation.

Accelerated Phase Chronic Myelogenous Leukemia (CML) is a stage where the leukemia is progressing, with more immature blood cells called blast cells appearing in the blood and bone marrow. This phase signals a change in the disease that may affect treatment and monitoring. Patients may see this term in medical reports or hear it during care discussions.

Accelerated Radiation Therapy is a way of giving radiation treatment over a shorter time than usual. Instead of spreading doses over many weeks, the total radiation is delivered in fewer days. This approach may help finish therapy sooner and can affect how patients experience treatment and scheduling. It is important to understand this term and how it fits into your cancer care plan.

Accelerated-fraction radiation therapy is a way of giving radiation treatment by dividing the total dose into smaller parts and delivering them more than once a day. This schedule shortens the overall treatment time compared to standard radiation therapy, which usually gives one dose per day. It aims to treat cancer more quickly while managing side effects and is carefully planned by the medical team to fit each patient’s needs.

Accolate, also called zafirlukast, is a medicine used to prevent and treat asthma by reducing inflammation in the lungs. It is not a cancer treatment but may be mentioned during cancer care if a patient has asthma or lung problems. Knowing about Accolate helps patients understand its role in managing breathing issues alongside cancer treatment, without confusing it as a cancer therapy.

The ACD gene helps protect the ends of chromosomes, called telomeres, which keep our DNA stable. Changes in this gene can cause damage to chromosomes and may lead to abnormal cell growth. Mutations in the ACD gene are linked to a rare inherited condition called dyskeratosis congenita, which can increase the risk of bone marrow problems, lung scarring, and certain cancers.

An ACE inhibitor (angiotensin-converting enzyme inhibitor) is a medicine that helps lower high blood pressure by relaxing blood vessels. In cancer care, it may be used to protect the heart or manage blood pressure during treatment. Seeing this term in your records doesn’t always mean you have heart problems or that it’s part of your cancer therapy—it often relates to overall health management.

Acetaminophen is a common medicine used to relieve pain and reduce fever. It does not reduce swelling or inflammation. In cancer care, it helps manage symptoms like mild pain or fever caused by the disease or its treatment. Knowing what acetaminophen does and does not do can help patients and caregivers use it safely and understand its role in symptom relief.

Acetate is a simple chemical related to acetic acid, the acid found in vinegar. In cancer care, acetate may appear in medical reports or tests, often linked to how cells use energy. It can be part of imaging tests or research but does not by itself indicate anything specific about cancer. Patients should ask their care team for clear explanations about what acetate means in their own situation.

Acetic acid is a mild acid found in vinegar and used in making some medicines and products. In cancer care, it may be used during tests or procedures to help highlight abnormal cells or prepare medicines. Seeing the term does not mean cancer is present; it is often part of a process to assist diagnosis or treatment planning. Understanding its role can help you ask informed questions and better follow your care.

Acetone is a natural chemical made in small amounts by the body when fats break down. It’s also found in plants, tobacco smoke, car exhaust, and common household products like nail polish remover. In cancer care, acetone may be mentioned when discussing chemical exposures or treatment side effects. High levels of acetone can irritate the skin, eyes, and lungs, but small amounts are usually harmless.

An acetyl group is a small chemical piece made of carbon, hydrogen, and oxygen atoms. It can attach to other molecules in the body and change how they work. In cancer care, acetyl groups help explain how some treatments or tests work. The term itself is not a disease or symptom but a part of the molecular changes doctors study to understand cancer and its treatment.

Acetyl-L-Carnitine (also called ALCAR or acetyl-L-carnitine hydrochloride) is a natural substance related to carnitine, which helps your body turn fat into energy. It is being studied for its potential to protect healthy tissues from damage caused by chemotherapy. You might hear about it during cancer treatment discussions or clinical trials, but it is not a standard cancer treatment.

Acetyl-L-Carnitine Hydrochloride, also called acetyl-L-carnitine or ALCAR, is a natural substance your body makes and gets from foods. It helps cells turn fat into energy. Researchers are studying it to see if it can protect healthy tissues from damage caused by chemotherapy. It is not a standard cancer treatment but may be mentioned during treatment discussions or clinical trials.

Acetylation is a natural process where a small chemical group called an acetyl group is added to molecules, often proteins. This change can affect how these molecules work in the body. In cancer care, acetylation may influence how cancer cells grow or respond to treatment. Patients might see this term in medical reports, treatment plans, or research discussions about their care.

Acetylcholine is a natural chemical made by nerve cells that helps send messages to muscles, glands, and other nerves. It plays an important role in muscle movement and memory. In cancer care, acetylcholine may be mentioned when discussing symptoms or treatments that affect nerves or muscles. Understanding this term can help you better follow your care and talk with your healthcare team.

Acetylcysteine is a medicine that helps thin thick mucus in the lungs, making it easier to cough up and breathe. It is also used to treat acetaminophen (Tylenol) overdose by protecting the liver. In cancer care, it may be used to manage lung symptoms or support the body during treatment. Patients might see this term in their medication lists or treatment plans.

Aberrant crypt foci (ACF) are tiny clusters of abnormal gland-like structures in the lining of the colon and rectum. They appear before polyps develop and may be an early sign of changes that could increase the risk of colorectal cancer. Finding ACF helps doctors decide on monitoring and preventive steps to protect colon health.

Achlorhydria means the stomach does not produce hydrochloric acid, which helps digest food and absorb nutrients. This condition can affect digestion and may be noted during cancer care if stomach function is involved. It does not always mean cancer or serious illness but is a detail doctors consider when planning treatment or monitoring digestive health.

An acid is a chemical that releases hydrogen ions when mixed with water, often tasting sour. The body naturally makes acids like gastric acid to help digestion and organ function. In cancer care, acids and acidity levels may be mentioned in tests or treatments but don’t always mean there is a problem.

The Acid-Ash Cancer Theory, also called the Alkaline Diet, is the idea that eating certain foods can change your body's acidity and might affect health, including cancer. It promotes eating more fruits and vegetables to create a less acidic (more alkaline) body environment. However, there is no strong scientific evidence that this diet can prevent or treat cancer. Always discuss diet changes with your healthcare team.

Acid-base balance means keeping the right level of acids and bases in your blood and body fluids. This balance helps your body’s cells and organs work properly. In cancer care, doctors may check this balance to understand your health and guide treatment. You might hear this term during tests or discussions, but it doesn’t always mean there is a problem.

Acid-base equilibrium, also called acid-base balance, means keeping the right level of acids and bases in your blood and body fluids. This balance helps your body’s cells and organs work properly. In cancer care, doctors may check this balance to understand your health and guide treatment. Seeing this term in your medical reports or conversations doesn’t always mean there is a problem.

Acidification is the process of becoming more acidic, meaning an increase in acid levels that lowers pH. In cancer care, it often refers to changes in acidity around tumors or in the body caused by cancer or treatments. While acidification itself is not a disease, understanding it can help patients follow their diagnosis, test results, and treatment plans.

Acidity describes how much acid is in a substance, measured on the pH scale where 7 is neutral and lower numbers mean more acid. In cancer care, acidity may be mentioned when discussing body fluids, tissues, or treatment effects. It helps doctors understand body chemistry but does not by itself explain diagnosis or treatment decisions.

Acitretin is a medicine related to vitamin A, mainly used to treat psoriasis, a skin condition causing red, scaly patches. It may also help prevent certain skin cancers by affecting how skin cells grow. Patients might hear about acitretin when discussing skin health or cancer prevention, especially if their care involves managing skin changes or risks related to cancer.

ACN53 is an experimental gene therapy studied for some cancers. It uses a weakened virus to deliver the p53 gene into tumor cells, which may help cause cancer cells to die. This therapy is not yet a standard treatment and is usually available only through clinical trials or research settings.

Acne is a common skin condition where oil and hair glands become inflamed, causing pimples or bumps. In cancer care, acne-like skin changes can happen due to treatments or the disease itself. These skin changes may look different from typical teenage acne. Recognizing acne or acne-like symptoms during cancer treatment helps patients communicate clearly with their care team and manage side effects.

Acneiform dermatitis is a skin condition causing small, red, acne-like bumps, often on the face, scalp, chest, or upper back. These bumps may have pus, crust over, and sometimes itch or hurt. It can happen from infections or as a side effect of some cancer treatments, especially targeted drugs. Recognizing this rash helps manage skin health during cancer care.

Acneiform eruption is a skin condition causing small, red, acne-like bumps, often on the face, scalp, chest, or upper back. These bumps may have pus, crust over, and sometimes itch or hurt. It can happen during cancer treatment, especially with certain drugs, and may sometimes lead to skin infection. Recognizing and managing this rash is important for comfort and care during cancer therapy.

An acneiform rash is a skin condition causing small, red, acne-like bumps, often on the face, scalp, chest, or upper back. These bumps may be filled with pus, crust over, and sometimes itch or hurt. It can happen due to infections or as a side effect of certain cancer treatments, especially targeted drugs. Recognizing and managing this rash is important during cancer care.

Acolbifene hydrochloride is an experimental drug studied to help prevent breast cancer in women at higher risk. It works by blocking estrogen’s effects in breast tissue. This drug belongs to a group called selective estrogen receptor modulators (SERMs). It is not yet a standard treatment but is being researched for its potential to reduce breast cancer risk.

Acoustic means related to sound or hearing. In cancer care, it often refers to tests or treatments using sound waves, like ultrasounds or hearing checks. Seeing the term acoustic in your care usually points to the role of sound in diagnosis or monitoring, not necessarily a hearing problem or specific treatment.

Acoustic Neurofibromatosis, also called Neurofibromatosis Type 2 (NF2), is a genetic condition where noncancerous tumors grow on nerves related to hearing and balance. These tumors can also affect other nerves in the brain and spinal cord, causing symptoms like hearing loss, balance problems, speech difficulties, and trouble swallowing. Understanding this condition helps guide diagnosis and treatment.

An acoustic neuroma, also called vestibular schwannoma, is a non-cancerous tumor that grows slowly on the nerves in the inner ear. It usually affects hearing and balance on one side of the head. Symptoms may include hearing loss, ringing in the ear, dizziness, and sometimes facial numbness or weakness. Knowing about acoustic neuroma helps patients recognize symptoms and understand their care.

Acquired immunity is the protection your body develops after it encounters germs or receives antibodies from another source. It helps your immune system recognize and fight infections in the future. This type of immunity can happen naturally after illness or through vaccines. In cancer care, acquired immunity is important because treatments can affect how well your body fights infections and responds to vaccines or antibody therapies.

Acquired Immunodeficiency Syndrome (AIDS) is a condition caused by the human immunodeficiency virus (HIV) that weakens the immune system. This makes it harder for the body to fight infections and some cancers. People with AIDS may face special health challenges, especially related to infections and certain types of cancer. Understanding AIDS helps patients and caregivers recognize its role in medical care and treatment planning.

Acquired Pure Red Cell Aplasia is a rare condition where the bone marrow stops making red blood cells, which carry oxygen in the body. It can be caused by infections, certain medications, or linked to other health issues like tumors of the thymus or autoimmune diseases. Understanding this condition helps patients and caregivers know why red blood cell counts are low and how it may affect overall health and treatment.

Acquired thrombotic thrombocytopenic purpura (aTTP) is a rare condition where tiny blood clots form in small blood vessels throughout the body. These clots can block blood flow and lower platelet counts, leading to bruising, red or purple spots on the skin, and other symptoms. aTTP can be linked to cancer, certain treatments, or other health issues and requires careful medical care.

Acral lentiginous melanoma is a rare skin cancer that starts in pigment-producing cells found in areas usually not exposed to sunlight, such as the palms, soles, or under the nails. It can affect anyone but is more common in people with darker skin. Knowing about this type helps patients recognize where melanoma can develop and why these less typical spots need careful attention.

Acral melanoma is a rare skin cancer that starts in pigment cells found in areas not usually exposed to sunlight, such as the palms, soles, or under the nails. It can affect anyone but is more common in people with darker skin. Knowing about acral melanoma helps you recognize where this cancer can develop and why it differs from sun-related melanomas.

Acridine Carboxamide, also called DACA, is a drug being studied for cancer treatment. It belongs to a group of medicines known as topoisomerase inhibitors, which may help stop cancer cells from growing. While it is not yet a standard treatment, patients might see this term in clinical trial information or research discussions.

An acrochordon, also called a skin tag, is a small, soft, harmless bump that grows on the skin, often where skin folds like the neck or armpits. These growths are usually painless and non-cancerous. While they rarely cause problems, they can become irritated if rubbed. Knowing about acrochordons can help you understand common skin changes and when to talk to your doctor.

Acromegaly is a condition where the pituitary gland produces too much growth hormone after bones have stopped growing. This causes enlargement of the hands, feet, face, and head. It is often caused by a noncancerous tumor in the pituitary gland. Understanding acromegaly is important in cancer care because pituitary tumors may affect hormone levels and treatment decisions.

Acrylonitrile is a chemical used to make plastics, rubber, and textiles. Exposure to acrylonitrile may increase the risk of certain cancers, such as lung, brain, or prostate cancer. Patients might see this term in medical reports or safety information related to cancer risk. Understanding acrylonitrile helps patients and caregivers recognize environmental factors that could affect cancer diagnosis or treatment planning.

Actemra, also called tocilizumab, is a medicine used to calm an overactive immune system. It treats severe immune reactions called cytokine release syndrome, which can happen after certain cancer treatments like CAR T-cell therapy. Actemra is also used for some types of arthritis and artery inflammation. It works by blocking a protein that causes inflammation, helping reduce harmful swelling and symptoms.

ACTH, or adrenocorticotropic hormone, is a hormone made by the pituitary gland that signals the adrenal glands to release stress-related hormones. It is often checked in cancer care to understand hormone activity or monitor certain tumors. Seeing ACTH mentioned in your care does not always mean there is a problem; it is one part of how doctors assess your health and treatment.

An Acthoma is a rare tumor that produces a hormone called ACTH, which causes the adrenal glands to release too much cortisol. This hormone imbalance can lead to symptoms like a round face, muscle weakness, high blood pressure, and weight gain. Acthomas often form in the pituitary gland or pancreas and may be benign or cancerous. Understanding this tumor helps guide diagnosis and treatment decisions.

Actinex is a medication applied to the skin to treat growths caused by sun damage, such as precancerous lesions. Also known as masoprocol or NDGA, it acts as an antioxidant and may block enzymes that help tumors grow. An oral form of Actinex is being studied for prostate cancer treatment but is not yet a standard therapy.

Actinic keratosis is a rough, scaly patch of skin that often appears on sun-exposed areas like the face, scalp, hands, or chest. It is more common in people with fair skin and is caused by sun damage. While not cancer itself, actinic keratosis can sometimes develop into skin cancer if left untreated. Recognizing and monitoring these patches is important for skin health.

Actinomycin D, also known as Cosmegen or dactinomycin, is a cancer medicine made from a natural bacterium. It is used to treat certain cancers in adults and children, such as Ewing sarcoma, rhabdomyosarcoma, Wilms tumor, and some testicular cancers. It works by damaging cancer cells’ DNA to help stop their growth. You might hear about it during cancer treatment planning or in medical reports.

An Action Study is a type of research that tests whether certain lifestyle changes or behaviors can help prevent cancer. These studies focus on cancer prevention, aiming to find practical ways people might lower their risk. Hearing this term means research is being done, not that someone has cancer or is receiving treatment.

Actiq is a strong pain medicine used to treat severe pain, especially in people with cancer or after surgery, when other pain medicines have not worked well. It contains fentanyl citrate, a powerful opioid that works by changing how the body feels pain. Actiq is often part of a personalized pain management plan and should be used exactly as prescribed to ensure safety.

Activase, also called Alteplase or r-tPA, is a medicine made in a lab that helps dissolve blood clots. It is used in emergencies like heart attacks, strokes, and lung clots. In cancer care, it may be mentioned because people with cancer can develop blood clots. Activase is not a cancer treatment but helps manage clot-related problems that sometimes occur with cancer or its treatments.

Activate means to stimulate a resting cell to become active, causing changes inside the cell. In cancer care, it helps explain how cells respond to treatments or signals. Activation doesn’t always mean something harmful or urgent but is important for understanding diagnosis and planning care. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

The Active Pharmaceutical Ingredient (API) is the main part of a medicine that makes it work. In cancer care, the API is the substance that actively fights cancer or helps manage symptoms. Medicines also contain other ingredients that do not treat the disease. Knowing about the API helps patients understand what part of their treatment is working against cancer and can appear in drug labels, treatment plans, or medical reports.

Active surveillance is a careful way of managing certain slow-growing cancers by watching the patient’s health closely without starting treatment right away. Regular tests and exams help doctors track any changes, so treatment can begin if the cancer grows or causes symptoms. This approach helps avoid or delay treatments like surgery or radiation, which can have side effects, while maintaining quality of life.

Active treatment means receiving cancer care using therapies that are known and proven to work. This includes standard treatments like chemotherapy, radiation, or surgery. Understanding this term helps patients recognize when their care is based on established medical knowledge rather than experimental or unproven approaches. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Activities of daily living (ADLs) are the basic tasks we do every day to care for ourselves, such as eating, dressing, bathing, and using the toilet. In cancer care, understanding how well someone can do these tasks helps doctors and caregivers plan treatment and support. ADLs show what kind of help a person might need but don’t automatically mean they can’t live independently.

Actos, also called pioglitazone, is a medicine mainly used to treat type 2 diabetes by helping the body use insulin better. Researchers are studying Actos to see if it might help prevent certain mouth conditions, like leukoplakia, from turning into cancer, especially in the head and neck area. It is not a cancer treatment but is being explored for cancer prevention.

An acupoint, also called an acupuncture point, is a specific spot on the body where thin needles may be placed during acupuncture. This therapy is sometimes used alongside cancer treatments to help ease symptoms like pain, nausea, or fatigue. Understanding acupoints can help patients learn how acupuncture might support symptom relief during cancer care.

Acupressure is a gentle technique that uses finger or hand pressure on specific points of the body to help manage symptoms like pain, nausea, and fatigue. Often used alongside cancer treatments, it is a non-invasive complementary therapy aimed at improving comfort and well-being during cancer care. If a record says to see Acupuncture / Acupressure, that preferred term should usually be checked as well. It may also appear under related names such as Acupuncture / Acupressure, Acupuncture.

Acupuncture is a therapy that uses very thin needles inserted into specific points on the body to help manage pain, nausea, fatigue, and other symptoms. Often used alongside cancer treatments, it aims to ease side effects and improve comfort. Acupuncture is a complementary approach, not a cure, and may be mentioned in treatment plans or symptom guides to support well-being during cancer care.

Acupuncture and acupressure are gentle techniques that use thin needles or finger pressure on specific body points to help manage symptoms like pain, nausea, and fatigue during cancer treatment. These supportive care methods aim to ease side effects from chemotherapy, radiation, or surgery but do not treat cancer itself. They are often used alongside standard treatments to improve comfort and quality of life.

An acupuncture needle is a very thin, stainless steel needle used in acupuncture, a therapy that involves inserting needles into specific points on the skin. In cancer care, acupuncture needles may be used to help manage symptoms like pain, nausea, or fatigue. Patients might hear this term during treatment discussions or when exploring complementary therapies alongside conventional cancer treatments.

An acupuncture point, also called an acupoint, is a specific spot on the body where very thin needles may be gently inserted during acupuncture. This therapy is sometimes used by cancer patients to help manage symptoms like pain, nausea, or fatigue. Knowing about acupuncture points can help you understand how acupuncture might support symptom relief alongside your cancer care.

Acupuncture point injection is a procedure where small amounts of medicine, vitamins, or herbal extracts are injected into specific spots on the body called acupuncture points. It combines traditional acupuncture with injections and may be used in cancer care to help manage symptoms or side effects. Seeing this term in your care does not mean it is part of your treatment or replaces standard cancer therapies.

Acupuncture-Like Transcutaneous Electrical Nerve Stimulation (ALTENS) is a non-invasive treatment that uses mild electrical currents applied to specific points on the skin, similar to acupuncture spots. It is being studied to help relieve dry mouth caused by radiation therapy in cancer patients. ALTENS offers a needle-free option that may ease symptoms related to cancer treatment side effects.

An acupuncturist is a trained professional who uses acupuncture, a therapy involving very thin needles placed at specific points on the body, to help manage pain and other symptoms. Acupuncture is often used as a complementary approach during or after cancer treatment to improve comfort and quality of life alongside standard medical care.

Acustimulation is a gentle, non-needle method that uses mild electrical signals on specific body points to help manage symptoms like nausea and vomiting. It is sometimes offered during cancer treatment to ease side effects and improve comfort. Knowing about acustimulation can help patients and caregivers discuss symptom relief options with their healthcare team.

Acute means symptoms or signs that start suddenly and get worse quickly. In cancer care, knowing if a problem is acute helps doctors decide how fast to act. Acute doesn’t always mean severe or long-lasting, but it signals a rapid change that may need prompt attention. You might hear this word when discussing side effects, infections, or new symptoms during your treatment.

Acute bacterial prostatitis is a sudden infection of the prostate gland caused by bacteria. It leads to inflammation and symptoms like fever, chills, pain in the lower back or genital area, burning during urination, and difficulty emptying the bladder. This condition needs prompt medical care and is different from prostate cancer or other prostate problems.

Acute leukemia is a fast-growing cancer that starts in the bone marrow, where blood cells are made. It causes many abnormal white blood cells to enter the bloodstream quickly. Because it progresses rapidly, acute leukemia needs prompt medical care to control the disease and prevent serious health problems. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Acute Lymphoblastic Leukemia (ALL) is a fast-growing cancer of the blood and bone marrow. It happens when too many immature white blood cells called lymphoblasts build up quickly. ALL is most common in children but can affect adults too. Knowing this term helps patients and caregivers understand diagnosis, treatment, and care planning for this type of blood cancer.

Acute Lymphocytic Leukemia (ALL) is a fast-growing cancer of the blood and bone marrow. It happens when the body makes too many immature white blood cells called lymphoblasts. These cells crowd out healthy blood cells, causing symptoms like tiredness, easy bruising, and infections. ALL is most common in children but can affect adults too. Understanding ALL helps patients and caregivers follow treatment and care plans.

Acute Myelogenous Leukemia (AML) is a fast-growing cancer of the blood and bone marrow. It happens when too many immature white blood cells called myeloblasts build up and crowd out healthy cells. AML usually worsens quickly without treatment and can spread to other parts of the body. It is most common in older adults but can affect people of any age.

Acute Myeloid Leukemia (AML) is a fast-growing cancer of the blood and bone marrow. It happens when immature white blood cells called myeloblasts build up and crowd out healthy cells. AML usually worsens quickly without treatment and is most common in older adults but can affect any age. It may also appear under related names such as Acute Myelogenous Leukemia, Acute Nonlymphocytic Leukemia, AML, And ANLL.

Acute Myeloid Leukemia With Myelodysplasia-Related Changes (AML-MRC) is a type of blood cancer where immature white blood cells called myeloblasts make up at least 20% of the blood or bone marrow. It often develops in people with previous blood disorders or specific cell changes. Knowing this term helps guide treatment and care decisions.

Acute Nonlymphocytic Leukemia (also called Acute Myeloid Leukemia or AML) is a fast-growing cancer where too many immature white blood cells called myeloblasts build up in the bone marrow and blood. It usually worsens quickly without treatment and can spread to other parts of the body. Understanding this term helps patients and caregivers recognize the seriousness and urgency of this condition in cancer care.

Acute pain is sudden pain that can be sharp or intense but usually lasts a short time. In cancer care, it often happens after surgery, tests, or treatments. Understanding acute pain helps patients and caregivers recognize when pain is related to cancer or its treatment and supports better communication with healthcare providers for effective pain management.

Acute paronychia is a sudden infection of the skin around a fingernail or toenail. It often happens when bacteria enter through a small cut, hangnail, or ingrown nail. This infection causes pain, redness, swelling, and sometimes pus. It usually heals within about 10 days with treatment. People receiving cancer treatments may be more likely to get this infection due to effects on the immune system or skin.

Acute Promyelocytic Leukemia (APL) is a fast-growing blood cancer where immature blood cells called promyelocytes build up in the bone marrow and blood. It often involves a specific change in chromosomes 15 and 17. Understanding APL helps guide treatment choices and monitoring during care. It may also appear under related names such as APL, Promyelocytic Leukemia.

Acute radiation sickness is a serious illness caused by exposure to very high levels of radiation over a short time. Symptoms can include nausea, vomiting, diarrhea, headache, weakness, fatigue, and skin problems. It usually appears soon after exposure but can develop or change over time. This condition is different from the side effects of typical cancer radiation treatments and is important to understand in radiation safety and care.

Acute Radiation Syndrome (ARS) is a serious illness caused by exposure to very high doses of radiation over a short time. Symptoms can include nausea, vomiting, diarrhea, headache, weakness, fatigue, skin redness, itching, and hair loss. ARS usually appears soon after exposure but may develop or change over time. It is rare in cancer treatment, where radiation doses are carefully controlled to avoid this condition.

Acyclovir is a medicine used to prevent or treat infections caused by certain viruses, especially herpes simplex and cytomegalovirus. It is often given to people with cancer because their treatments can weaken the immune system, making viral infections more likely. Acyclovir helps stop these viruses from growing and spreading, supporting your health during cancer care.

AD 32, also called valrubicin or Valstar, is a medicine used to treat a type of early bladder cancer called carcinoma in situ when it does not improve after treatment with BCG. It is given directly into the bladder through a catheter and may help patients who cannot have surgery right away.

ADA-SCID (Adenosine Deaminase-Deficient Severe Combined Immunodeficiency) is a rare inherited disorder that severely weakens the immune system. It causes a lack of important white blood cells called B and T lymphocytes, making it hard for the body to fight infections. Symptoms usually appear in babies before 6 months old, but milder cases can show up later. People with ADA-SCID are at higher risk for serious infections and some cancers.

Adagrasib, also called Krazati, is a targeted cancer medicine used to treat certain advanced colorectal and non-small cell lung cancers that have a specific KRAS gene mutation called G12C. It works by blocking a protein that helps cancer cells grow. Adagrasib is usually given after other treatments and may be combined with another drug called cetuximab. It is also being studied for other cancers.

Adaptive immunity is your body’s way of learning to recognize and fight specific germs or substances after exposure, such as through infection or vaccination. It uses special immune cells and antibodies to attack invaders and remembers them to protect you in the future. This type of immunity can last from weeks to a lifetime and plays an important role in how your body responds to cancer and its treatments.

An ADC, or antibody-drug conjugate, is a special cancer medicine that links an antibody to a drug. The antibody finds and attaches to certain proteins on cancer cells, delivering the drug directly to them. This targeted approach aims to kill cancer cells while causing less harm to healthy cells. You might hear about ADCs during treatment discussions or see them in medical reports and drug information.

ADCC (antibody-dependent cell-mediated cytotoxicity) is a natural immune process where certain white blood cells kill harmful cells or microbes marked by antibodies. This helps the body fight infections and can support cancer treatments that use antibodies to target cancer cells. Patients may hear about ADCC when learning how their immune system or therapies work.

Adcetris (also called brentuximab vedotin) is a targeted medicine used to treat certain types of lymphoma, a cancer of the lymph system. It works by attaching to cancer cells that have a protein called CD30 and delivering a drug that helps kill those cells. Adcetris can be used alone or with other treatments in adults and children aged 2 and older, depending on the lymphoma type and treatment plan.

Adderall is a medicine made from two stimulant drugs, commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy, a sleep disorder. In cancer care, it may be used to help manage symptoms like fatigue or trouble concentrating. Knowing what Adderall is can help patients and caregivers understand when it appears in medical notes or treatment discussions.

Addiction is a strong, often uncontrollable desire to use substances like drugs or alcohol. In cancer care, it’s important because some pain medicines can be addictive. Addiction is a medical condition affecting the brain, not a sign of weakness. Understanding addiction helps patients and caregivers manage treatments safely and reduce worries about using needed medicines.

Addison Disease, also called adrenal insufficiency, is a rare condition where the adrenal glands don’t produce enough hormones that help control stress response, blood pressure, and energy. Symptoms include weight loss, fatigue, low blood pressure, nausea, and skin color changes. It can be caused by immune problems, infections, or cancer. Knowing about Addison Disease is important for patients, especially in cancer care settings.

ADE is a chemotherapy treatment combining three drugs—cytarabine, daunorubicin, and etoposide—mainly used to treat acute myeloid leukemia (AML) in children. This combination attacks cancer cells in different ways to improve effectiveness. You may see ADE mentioned in treatment plans or medical reports related to childhood AML care. It may also appear under related names such as ADE Regimen.

The ADE Regimen is a chemotherapy treatment combining three drugs—cytarabine, daunorubicin hydrochloride, and etoposide phosphate—used mainly to treat acute myeloid leukemia (AML) in children. This combination attacks cancer cells in different ways to improve treatment effectiveness. You might see ADE mentioned in treatment plans or medical reports related to childhood AML care.

Adenine is a natural chemical that forms one of the four building blocks of DNA and RNA, the molecules that carry genetic information in all cells. It also helps provide energy to cells. In cancer care, adenine is important because changes in DNA, which includes adenine, can affect how cancer grows and responds to treatment. You may see the term in test results or educational materials about cancer.

Adenocarcinoma is a type of cancer that starts in glandular tissue, which lines certain organs and produces fluids like mucus and digestive juices. It can develop in many organs such as the breast, lung, colon, pancreas, prostate, and uterus. Knowing this term helps patients understand the kind of cancer they have and how it might be discussed or treated by their healthcare team.

Adenocarcinoma in situ (AIS) is a condition where abnormal cells are found in glandular tissue lining organs like the cervix or lungs. These cells are not yet invasive cancer but could become cancer if untreated. Early detection of AIS helps doctors monitor or treat these cells to prevent progression to invasive cancer.

Adenoid cystic carcinoma is a rare cancer that starts in cells lining glands that produce fluids like saliva or mucus. It most often affects the salivary glands but can also occur in places such as the voice box or windpipe. This cancer usually grows slowly and can spread along nerves or through the blood to nearby tissues or lungs. Knowing this term helps patients understand their diagnosis and treatment options.

An adenoma is a noncancerous tumor that starts in gland-like cells found in the thin tissue covering organs and glands. While adenomas do not spread like cancer, some may need monitoring or removal because they can sometimes change or cause symptoms. You might see this term in medical reports, test results, or treatment plans related to your care.

Adenopathy means swollen or enlarged lymph nodes, which are small glands that help your body fight infections. In cancer care, adenopathy can be a sign that cancer has spread, but swollen lymph nodes often happen for other reasons like infections or inflammation. Knowing what adenopathy means can help you understand your diagnosis, test results, and treatment discussions more clearly.

Adenosarcoma is a rare tumor made of two types of tissue: gland-like cells and connective tissue such as muscle or fat. It can occur in different parts of the body and behaves differently from other tumors. Knowing this term helps patients and caregivers understand diagnosis and treatment discussions better. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Adenosine deaminase-deficient severe combined immunodeficiency (ADA-SCID) is a rare inherited disorder that severely weakens the immune system. It causes a lack of important white blood cells, making it hard for the body to fight infections. Symptoms usually appear in babies before 6 months old but can be milder if they start later. People with ADA-SCID are at higher risk for serious infections and some cancers.

Adenosine triphosphate (ATP) is a natural molecule found in all living cells that provides energy for many body functions. In cancer care, lab-made ATP is being studied to see if it can help patients with advanced tumors by reducing weight loss and improving muscle strength. You might hear about ATP during treatment discussions, clinical trials, or in medical reports related to energy and nutrition support.

Adenosis is a benign (non-cancerous) condition where glandular tissue, such as the milk-producing lobules in the breast, becomes larger or more developed than usual. It is not cancer and does not turn into cancer by itself. Understanding adenosis can help patients and caregivers interpret medical reports and reduce unnecessary worry when this term appears during breast health evaluations.

Adenosquamous carcinoma is a type of cancer made up of two kinds of cells: squamous cells, which are thin, flat cells lining certain organs, and gland-like cells that produce fluids. This mixed cell makeup can affect how the cancer behaves and is treated. You may hear this term during diagnosis, in medical reports, or when discussing treatment options with your care team.

Adenoviruses are common viruses that can cause mild infections in the lungs, eyes, or stomach. In cancer care, harmless forms of adenoviruses are used in gene therapy to deliver helpful genes into cells. This can help repair damaged cells or target cancer cells. Knowing about adenoviruses can help patients understand their treatment and discussions with their healthcare team.

An adenovirus vector is a common virus that has been changed in the lab so it cannot cause illness. It is used to safely deliver helpful genes into cells. In cancer care, adenovirus vectors may help repair damaged genes or carry genes that help control or kill cancer cells. Patients might hear this term when discussing gene therapy, vaccines, or clinical trials with their healthcare team.

ADH, or atypical ductal hyperplasia, is a non-cancerous condition where extra cells grow abnormally in the breast ducts. While ADH itself is not cancer, it can increase the chance of developing breast cancer in the future. You might hear this term after a breast biopsy or when reviewing pathology reports from breast tissue tests.

ADI-PEG 20, also called pegylated arginine deiminase, is an experimental treatment being studied for cancers like melanoma and liver cancer. It works by breaking down arginine, an amino acid some tumors need to grow. Researchers are exploring whether lowering arginine can slow or stop cancer growth in patients whose tumors depend on this nutrient.

Adipokines are molecules made by fat cells that travel in the blood and help control important body functions like appetite, fat storage, and inflammation. Changes in adipokine levels may be linked to diseases such as obesity, diabetes, heart disease, and cancer. Understanding adipokines can help explain how fat tissue affects health and disease.

An adjunct agent is a drug or substance given alongside the main cancer treatment to help improve its effectiveness or reduce side effects. It is not the primary therapy but supports or enhances the main treatment. Patients may hear this term during treatment discussions or in medical reports, helping them understand how different treatments work together.

Adjunct therapy is an extra treatment given alongside the main cancer treatment to help it work better. It supports the primary therapy but is not the main focus of care. Patients may hear this term when doctors explain treatment plans or clinical trials. Understanding adjunct therapy helps patients see how different treatments work together to fight cancer and improve outcomes.

Adjunctive therapy, also called adjunct therapy, is an extra treatment given alongside the main cancer treatment. It supports the primary treatment to help it work better or to manage side effects. Patients may hear this term when doctors explain treatment plans or clinical trials. Understanding adjunctive therapy helps patients see how different treatments work together to fight cancer and improve outcomes.

Adjustment disorder is a condition where a person has strong emotional or behavioral reactions to a stressful event, such as a cancer diagnosis. These reactions can affect daily life, work, and relationships. Recognizing adjustment disorder in cancer care helps patients and caregivers understand when extra emotional support might be needed to cope with the challenges of illness and treatment.

Adjuvant chemotherapy is cancer treatment given after the main treatment, such as surgery, to kill any remaining cancer cells. It helps lower the chance that cancer will come back. This extra step is a precaution to improve long-term outcomes and does not mean the first treatment failed or that cancer is still visible.

Adjuvant therapy is extra cancer treatment given after the main treatment, such as surgery, to lower the chance that cancer will come back. It can include chemotherapy, radiation, hormone therapy, or other medicines. This follow-up treatment helps target any cancer cells that might remain but are too small to detect.

Activities of daily living (ADLs) are basic self-care tasks like eating, dressing, bathing, and using the toilet. In cancer care, understanding how well a person can do these tasks helps doctors and caregivers plan the right support during treatment and recovery. ADLs show what kind of help a patient might need but don’t automatically mean they can’t live independently.

In medicine, administration means giving a treatment, like a medicine, to a patient. In cancer care, it includes how the treatment is given, the dose, and how often. Understanding administration helps patients know what to expect and follow their treatment plans safely. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An adnexal mass is a lump near the uterus, usually found in the ovary or fallopian tube. These lumps can be harmless cysts, benign growths, or sometimes cancerous tumors. The term describes the location of the lump but does not tell what it is. Knowing about adnexal masses helps patients understand their diagnosis and follow-up care.

Ado-trastuzumab emtansine, also called Kadcyla or T-DM1, is a targeted cancer medicine used mainly for certain HER2-positive breast cancers. It combines an antibody that attaches to cancer cells with a chemotherapy drug to help kill them. It is often used when breast cancer has been treated before with trastuzumab and taxane chemotherapy drugs.

An adolescent is a young person who has started puberty but is not yet an adult, usually between ages 10 and 19. In cancer care, adolescents may face different types of cancer and have unique treatment and support needs compared to children or adults. You might see this term in medical reports, treatment plans, or cancer information aimed at young people.

Adoptive cell therapy is a cancer treatment that uses a patient’s own immune cells, called T cells, to fight cancer. These cells are collected, grown in a lab, and sometimes changed to better attack cancer before being given back to the patient. This therapy helps boost the body’s natural defenses and is part of a group of treatments called immunotherapy.

Adoptive Cell Transfer is a type of immunotherapy that uses a patient’s own immune cells, called T cells, to help fight cancer. These cells are collected, grown in a lab, and sometimes changed to better attack cancer cells before being given back to the patient. It is an advanced treatment option often discussed in cancer care and clinical trials.

Adrenal cancer is a rare cancer that starts in the adrenal glands, small organs located above the kidneys. These glands produce hormones that help control important body functions like heart rate and blood pressure. Adrenal cancer can begin in different parts of the gland, such as the outer layer or the center, and knowing this helps guide diagnosis and treatment.

The adrenal cortex is the outer layer of the adrenal glands, small organs located on top of each kidney. It produces important hormones that help regulate body functions like metabolism, stress response, and blood pressure. In cancer care, the adrenal cortex can be involved in rare cancers called adrenocortical carcinomas. Patients may hear this term during diagnosis, treatment, or when reviewing tests related to adrenal gland health.

The adrenal glands are two small, triangle-shaped organs located on top of each kidney. They produce hormones like adrenaline and steroids that help control heart rate, blood pressure, stress response, and other body functions. In cancer care, rare tumors can develop in these glands, making them important for diagnosis and treatment planning.

Adrenal insufficiency, also called Addison disease, is a rare condition where the adrenal glands don’t make enough hormones that help control stress, blood pressure, and energy. Symptoms can include fatigue, weight loss, nausea, low blood pressure, and skin color changes. It may be caused by immune problems, infections, or cancer. Knowing about this condition is important, especially during cancer care or treatment.

The adrenal medulla is the inner part of the adrenal glands, small organs located on top of each kidney. It produces hormones like adrenaline that help the body respond to stress. In cancer care, some rare tumors can develop in this area. Understanding the adrenal medulla can help you follow medical reports and treatment discussions related to adrenal gland health.

An adrenalectomy is surgery to remove one or both adrenal glands, small organs located on top of the kidneys. This procedure is often done when tumors affect these glands, either to treat cancer or other health problems. Understanding adrenalectomy helps patients know what to expect during diagnosis and treatment. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Adrenaline, also called epinephrine, is a natural hormone your body makes to help respond quickly to stress or danger. It increases your heart rate and energy, preparing you for a 'fight or flight' reaction. In cancer care, adrenaline may be mentioned when discussing symptoms, treatments, or side effects related to stress and hormone changes.

Adrenocortical refers to the outer layer of the adrenal glands, small organs located above each kidney that produce important steroid hormones. This term often appears in cancer care when discussing tumors or conditions affecting this part of the adrenal gland. Understanding what adrenocortical means can help patients and caregivers better follow diagnosis, treatment plans, and medical reports related to adrenal gland health.

Adrenocortical cancer is a rare cancer that starts in the outer layer of the adrenal glands, small organs located above each kidney. These glands produce hormones that help control heart rate, blood pressure, and other important body functions. This cancer can affect hormone levels and requires specific tests and treatments. You might hear this term during doctor visits, in medical reports, or when discussing treatment options.

Adrenocortical carcinoma is a rare cancer that starts in the outer layer of the adrenal glands, small organs above each kidney. These glands produce hormones that help control important body functions like heart rate and blood pressure. This cancer can affect hormone levels and requires specific tests and treatments. You might hear this term during doctor visits or in medical reports.

Adrenocorticotropic hormone (ACTH), also called corticotropin, is a hormone made by the pituitary gland. It signals the adrenal glands to release hormones that help the body respond to stress. In cancer care, ACTH levels may be checked to understand hormone activity or monitor certain tumors. Seeing ACTH mentioned doesn’t always mean there is a hormone problem or cancer.

An adrenocorticotropic-secreting tumor, also called an ACTHoma, is a rare growth that makes the hormone ACTH. This hormone signals the adrenal glands to produce too much cortisol, which can cause symptoms like a round face, muscle weakness, high blood pressure, and weight gain. These tumors may be benign or cancerous and often form in the pituitary gland or pancreas. Understanding this tumor helps guide diagnosis and treatment.

Adreview is a special drug containing a small amount of radioactive iodine (I-123) used in imaging tests to help doctors find certain tumors, such as pheochromocytomas and neuroblastomas. It highlights cancer cells during scans, aiding diagnosis and treatment planning. Adreview is also called 123I-MIBG or iobenguane I 123. It may also appear under related names such as 123I-MIBG, Iobenguane I 123, And Iodine I 123-Metaiodobenzylguanidine.

Adriamycin, also called doxorubicin hydrochloride, is a chemotherapy drug used to treat many types of cancer. It works by damaging cancer cells’ DNA and slowing their growth. Patients may hear this name during treatment discussions or see it in medical reports. Adriamycin is an important part of cancer care but does not refer to a specific diagnosis by itself.

Adstiladrin, also called nadofaragene firadenovec, is a gene therapy medicine used to treat adults with a high-risk type of bladder cancer that has not spread into the muscle. It is given directly into the bladder for patients whose cancer did not improve after treatment with Bacillus Calmette-Guérin (BCG). This treatment helps the immune system recognize and attack cancer cells.

Adult progeria, also called Werner syndrome, is a rare inherited condition that causes people to age faster than usual starting in their teens or young adulthood. It leads to early signs like thinning and graying hair, skin changes, and unusual facial features. People with this condition have a higher risk of certain cancers, including thyroid, skin cancers, and sarcomas. Knowing about adult progeria helps guide medical care and cancer monitoring.

Adult rickets, also called osteomalacia, is a condition where bones become soft and misshapen due to low levels of calcium and phosphorus. It usually happens when the body lacks enough vitamin D, which helps absorb these minerals. People with adult rickets may have bone pain and muscle weakness. This condition can be important to understand during cancer care, especially if treatments affect bone health.

Adult T-Cell Leukemia/Lymphoma (ATLL) is a fast-growing cancer that affects T-cells, a type of white blood cell important for the immune system. It is caused by infection with the human T-cell leukemia virus type 1 (HTLV-1). ATLL can involve the skin, bones, lymph nodes, liver, and spleen, and may cause symptoms like swollen lymph nodes, skin changes, and high calcium levels.

Adult-type fibrosarcoma is a rare cancer that starts in fibrous connective tissue, which supports and connects other tissues in the body. It can develop in many parts of the body and may spread to nearby areas or distant organs like the lungs or bones. This cancer can also come back after treatment. Knowing this term helps patients and caregivers understand diagnosis and treatment planning.

An adulterant is a substance added to a product that is not listed as an ingredient or accidentally gets into it during production. Adulterants can be found in foods, medicines, and other products. They may affect safety or how well a product works. In cancer care, understanding adulterants helps ensure treatments and medicines are safe and effective.

An advance directive is a legal document where you can state your wishes about medical care if you become too ill to make decisions yourself. It can also name someone you trust to make decisions for you. Having an advance directive helps ensure your preferences are known and respected, especially during serious illnesses like cancer.

Advanced cancer is cancer that has grown beyond its original site or spread to other parts of the body and is unlikely to be cured. While it often means the cancer is more serious, some advanced cancers can be controlled for years with treatment. Understanding this term helps patients and caregivers know what to expect and how to plan care focused on managing symptoms and quality of life.

An Advanced Practice Nurse (APN), also called a nurse practitioner (NP), is a registered nurse with extra education and training to diagnose and treat health problems. In cancer care, APNs work closely with doctors to help manage your care, explain treatments, and support you and your family throughout diagnosis, treatment, and follow-up.

An Advanced Practice Provider (APP) is a healthcare professional who is not a doctor but has special training and a license to diagnose, treat, and manage many medical conditions. In cancer care, APPs often perform exams, order tests, prescribe medications, and assist with procedures. They work closely with doctors to support your care and may be involved in many parts of your treatment.

An adverse effect is an unwanted or harmful reaction that can happen during cancer treatment, such as from medicines, surgery, or radiation. These effects can be mild or serious and may influence how treatment is planned or managed. Understanding adverse effects helps patients and caregivers recognize possible side effects and communicate better with their healthcare team.

An adverse event is an unwanted or harmful effect that can happen during cancer treatment, such as from medicines, surgery, or radiation. These effects can be mild or serious and may influence how treatment is planned or managed. Patients might hear this term when discussing side effects or treatment risks with their care team or reading medical reports.

An adverse reaction is an unwanted or harmful effect that can happen after taking medicine or having a treatment like surgery. In cancer care, these effects can be mild or serious and may affect how treatment is planned or adjusted. Patients may hear this term during doctor visits, in medical reports, or when learning about possible side effects of treatments.

Advil is a common over-the-counter medicine used to reduce pain, fever, swelling, and redness. It belongs to a group of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). In cancer care, Advil may be suggested to help manage symptoms like pain or inflammation. It is also known by other names such as ibuprofen and Motrin.

AE-941 is a substance made from shark cartilage that researchers are studying to see if it can stop tumors from growing new blood vessels. Tumors need these blood vessels to get nutrients and grow. AE-941 is an antiangiogenesis agent, meaning it aims to block blood vessel growth. It is still experimental and not a standard cancer treatment.

AEE788 is an experimental drug studied for cancer treatment. It works by blocking proteins that help cancer cells grow and form new blood vessels. Currently, it is not an approved standard treatment but may be mentioned in clinical trials or research settings. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

AEG35156, also called GEM640, is an experimental cancer treatment being studied in clinical trials. It works by blocking a protein named XIAP that helps cancer cells survive longer. By targeting this protein, AEG35156 may help cancer cells die more easily and make chemotherapy drugs more effective. It belongs to a group of treatments called antisense oligonucleotides and chemosensitizing agents.

Aerobic means processes in the body that need oxygen to work. In cancer care, it often refers to how cells use oxygen to make energy. This term can appear in medical reports or treatment plans and does not always mean exercise or fitness. Understanding aerobic processes helps explain how cancer cells grow and respond to treatment.

Aerobic exercise is physical activity that raises your heart rate and breathing, helping your body use oxygen more efficiently. It can improve fitness and may be recommended during and after cancer treatment to support your overall health and energy. Examples include walking, swimming, and cycling. Your healthcare team can help you find safe and suitable activities.

Aerobic metabolism is the process where your body’s cells use oxygen to turn sugars into energy. This energy helps all cells, including cancer cells, grow and function. You might hear this term during cancer care when doctors discuss how tumors use energy or how treatments affect cancer cell growth. Understanding it can help you follow your care plan and ask questions about tests or therapies related to how your body or cancer cells get energy.

Aerobic respiration is the natural process where your cells use oxygen to turn sugars into energy. This energy helps all cells, including cancer cells, grow and function. You might hear this term during cancer care when doctors discuss how tumors use energy or how treatments affect cancer cell growth. It may also appear under related names such as Aerobic Metabolism, Cell Respiration, And Oxidative Metabolism.

The aerodigestive tract includes connected parts of the body involved in breathing and swallowing, such as the lips, mouth, nose, throat, vocal cords, windpipe, and upper esophagus. This term often appears in cancer care to describe cancers affecting these areas. Knowing this term can help you better understand your diagnosis, treatment, and medical reports.

Aerosolize means turning a liquid medicine into a fine mist that you can breathe in. This helps deliver the medicine directly to your lungs or airways. In cancer care, aerosolized medicines may be used to manage symptoms or deliver treatments, especially when lung health is involved. Understanding this term can help you follow your care plan and talk with your healthcare team about your medicines.

Aesthetic flat closure is a surgery done after one or both breasts are removed, often due to cancer. It removes extra skin and tissue to create a smooth, flat chest instead of rebuilding a breast shape. This option may also be chosen after removing breast implants and focuses on a natural, flat appearance.

Afamitresgene autoleucel, also called Tecelra, is a treatment for adults with synovial sarcoma, a type of cancer that has spread or cannot be removed by surgery. It uses a patient’s own immune cells, changed in a lab to target cancer cells with a protein called MAGE-A4. This therapy is given after chemotherapy and is being studied for other cancers.

AFAP, or Attenuated Familial Adenomatous Polyposis, is a rare inherited condition where fewer than 100 abnormal growths called polyps develop in the colon and rectum. These polyps increase the risk of colorectal cancer. Sometimes benign tumors may also appear in other organs. Knowing about AFAP helps guide cancer screening and prevention for affected individuals and their families.

Afatinib Dimaleate, also called Gilotrif, is a medicine used to treat certain non-small cell lung cancers that have spread. It works by blocking proteins made by the EGFR gene, which can help slow cancer growth. It is often used when the cancer has specific EGFR gene changes or when platinum chemotherapy has stopped working.

An affected individual is a person who has a specific genetic trait or shows signs of a genetic condition. In cancer care, this term helps identify people who may have inherited risks or symptoms related to cancer. It does not always mean the person has cancer but highlights genetic factors that can influence care decisions.

Affinity describes how strongly two substances, like a drug and a cancer cell, are attracted to each other. In cancer care, it helps explain how treatments or tests work by showing how well they stick to their targets. Patients may hear this term when discussing lab results or treatment options. Affinity is a scientific idea that helps doctors plan care but doesn’t by itself predict treatment success or diagnosis.

An affinity reagent is a special compound used in labs that can stick to specific molecules like proteins or DNA. In cancer care, these reagents help doctors study tissue samples to identify cancer cells or disease markers. They are tools used during testing and diagnosis, not treatments or diagnoses themselves, helping doctors gather important information about cancer.

Afib, or atrial fibrillation, is an irregular and often fast heartbeat caused by rapid electrical signals in the heart’s upper chambers. It may cause tiredness, chest discomfort, or dizziness, but sometimes has no symptoms. Afib is important in cancer care because it can affect heart health and influence treatment choices. You might see this term in medical reports, treatment plans, or during doctor visits.

Afinitor is a medicine containing everolimus used to treat certain cancers like breast, kidney, and neuroendocrine tumors. It can be given alone or with other drugs. Afinitor also treats some non-cancerous tumors linked to tuberous sclerosis. It works by slowing the growth of abnormal cells and the blood vessels tumors need to grow, helping to control the disease.

Afinitor Disperz is a medication containing everolimus, used to treat a non-cancerous brain tumor called subependymal giant cell astrocytoma and seizures linked to tuberous sclerosis. It works by blocking a protein that helps cells grow and divide, which may slow or stop abnormal cell growth and reduce blood vessel growth tumors need.

Aflatoxin is a harmful toxin made by certain molds that can grow on grains, nuts, and other crops when stored in warm, humid conditions. Eating foods contaminated with aflatoxin may increase the risk of liver cancer. It is important to know about aflatoxin when discussing cancer risks, food safety, or liver health with your healthcare team.

Alcoholic Fatty Liver Disease (AFLD) is a condition where fat builds up in the liver due to heavy alcohol use. It can often be reversed if caught early and alcohol use stops. If untreated, it may lead to liver inflammation, damage, or serious problems like cirrhosis or liver cancer. Knowing about AFLD is important for liver health, especially during cancer care and treatment.

AFP, or alpha-fetoprotein, is a protein made by a developing baby during pregnancy. In adults, AFP levels are usually very low or undetectable. Higher AFP levels in the blood can suggest certain cancers, like liver cancer or germ cell tumors. Doctors may check AFP levels to help diagnose, monitor, or plan treatment for these cancers, but elevated AFP alone doesn’t confirm cancer.

AFP464 is an experimental drug being studied as a possible cancer treatment. It belongs to a group called aminoflavones and works by killing cancer cells or stopping them from growing. AFP464 is not yet a standard treatment and is mainly available through clinical trials or research studies. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

AG-013736 is an experimental drug studied for cancer treatment. It works by blocking the growth of new blood vessels that tumors need to grow, a process called angiogenesis. It also targets proteins that help cancer cells survive. AG-013736 is not yet approved for routine use but may be part of clinical trials or future therapies.

AG014699, also called rucaparib or Rubraca, is a targeted cancer drug used to treat certain prostate and ovarian cancers. It works by blocking an enzyme that helps cancer cells repair damaged DNA, which may stop their growth. This medicine is often used when cancers have specific genetic changes and is being studied for other cancers as well.

AG2037 is an experimental drug being studied for cancer treatment. It works by blocking an enzyme that cancer cells need to grow and multiply. While it shows promise in research, AG2037 is not yet an approved or standard treatment. You might hear about it during clinical trials or research discussions, but it remains under investigation to understand its safety and effectiveness.

AG3340, also called prinomastat, is an experimental drug studied for cancer treatment. It works by blocking enzymes that help tumors grow new blood vessels. While it may be mentioned in clinical trials or research, AG3340 is not yet an approved or standard cancer treatment. It may also appear under related names such as Prinomastat.

AG337, also called nolatrexed or Thymitaq, is a drug being studied for liver cancer. It belongs to a group of medicines called thymidylate synthase inhibitors, which work by blocking an enzyme cancer cells need to grow. AG337 is not yet a standard treatment but may be offered in clinical trials as researchers learn more about its safety and effectiveness.

Aganglionic megacolon, also called Hirschsprung disease, is a condition present from birth where nerve cells are missing in part of the large intestine. This causes severe constipation or blockage, making it hard to pass stool. Symptoms may appear later in childhood. It is sometimes linked to certain cancers, so understanding it can be important in cancer care.

AGC stands for atypical glandular cells, which are abnormal cells found in a Pap test from the cervix or uterus lining. This finding may suggest a serious condition, including cancer, but does not confirm it. If AGC is found, doctors usually recommend further testing to understand the cause and decide on the best care steps.

An age-adjusted rate is a way to compare cancer or other health rates between groups of people with different age ranges. It removes the effect of age differences so comparisons are fair. This is important because cancer is more common in older adults, and groups with more older people might otherwise seem to have higher rates just due to age.

Age-related macular degeneration (AMD) is an eye condition where the center of the retina, called the macula, slowly breaks down. This can cause blurry or lost central vision, making it harder to read, recognize faces, or drive. AMD mostly affects people over 50 and is sometimes called ARMD or macular degeneration. It is a common age-related condition and does not mean a person has cancer.

An Agent Study, also called a Chemoprevention Study, is a clinical trial that tests whether certain medicines, vitamins, minerals, or supplements can help prevent cancer. These studies explore ways to lower the chance of developing cancer before it starts. Patients may hear this term when discussing cancer prevention or considering participation in research trials.

An agglutinin is a substance that causes cells or particles, like bacteria, to stick together and form clumps. In cancer care, agglutinins may appear in lab tests or reports, helping doctors understand immune responses or how cells behave. Seeing this term doesn’t always mean there’s a problem. Knowing about agglutinins can help you better understand your health and ask informed questions during your care.

An aggravating factor is something that makes a health condition worse or harder to manage. In cancer care, these factors can increase symptoms or side effects, affecting comfort and treatment. Knowing about aggravating factors helps patients and doctors find ways to reduce their impact and improve quality of life during cancer treatment.

Aggressive describes a tumor or disease that grows or spreads quickly. In cancer care, it signals that the cancer may develop faster than usual and might need closer monitoring or more intensive treatment. Hearing this term doesn’t always mean the cancer is advanced or untreatable, but it helps doctors plan the best approach to care.

Aggressive fibromatosis, also called desmoid tumor, is a rare growth that develops in the fibrous connective tissue of the body. These tumors usually appear in areas like the abdomen, shoulders, arms, or thighs. They do not spread to other parts of the body like cancer but can grow into nearby tissues and cause pain or damage. Treatment can be challenging because these tumors often come back after surgery.

Aggressive lymphoma is a fast-growing cancer of the lymphatic system. Also called high-grade or intermediate-grade lymphoma, it often causes noticeable symptoms and usually needs prompt treatment. Understanding this term helps patients and caregivers recognize its importance in diagnosis and care planning. It may also appear under related names such as High-Grade Lymphoma, Intermediate-Grade Lymphoma.

Aggressive systemic mastocytosis (ASM) is a rare condition where too many mast cells, a type of white blood cell, build up in organs like bone marrow, liver, and spleen. This buildup can cause serious symptoms and organ damage. ASM often progresses quickly and usually affects adults. It may sometimes develop into a rare form of leukemia and requires specialized care and monitoring.

Agitation means feeling restless, tense, or irritable and having trouble relaxing or staying calm. In cancer care, it can affect how patients feel and interact with caregivers. Recognizing agitation helps patients and families communicate better with their care team to improve comfort and support during treatment. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Agnogenic Myeloid Metaplasia is a long-term condition where scar tissue replaces the bone marrow, causing blood cells to be made in other organs like the liver and spleen. This can lead to an enlarged spleen and anemia. It is also called primary myelofibrosis or chronic idiopathic myelofibrosis. It may also appear under related names such as Chronic Idiopathic Myelofibrosis, Idiopathic Myelofibrosis, Myelosclerosis With Myeloid Metaplasia, And Primary Myelofibrosis.

An agonist is a substance or drug that attaches to a specific part of a cell called a receptor and triggers the same effect as the natural substance that usually fits there. In cancer care, understanding agonists helps explain how certain treatments work by mimicking natural body chemicals. The term describes how a drug acts in the body but doesn’t mean the drug is harmful or helpful on its own.

Agoraphobia is a strong fear of being in places where escape might be hard or help unavailable, like open spaces or crowded areas. People with agoraphobia often worry about having panic attacks in public and may avoid leaving home. Recognizing this anxiety disorder can help patients and caregivers understand challenges that might affect cancer care and daily life.

Agranulocytes are a type of white blood cell that help your immune system fight infections and protect your body. They include monocytes and lymphocytes, which play important roles in identifying and attacking germs. In cancer care, doctors check agranulocyte levels in blood tests to understand your immune health and guide treatment decisions. Seeing this term in your medical information is common and does not by itself mean there is a problem.

Agranulocytosis is a serious condition where the body has an extremely low number of granulocytes, a type of white blood cell that helps fight infections. This low level can make it harder for the body to defend against germs, increasing the risk of serious infections. It can happen due to cancer treatments, certain illnesses, or other causes, and may be mentioned in your medical reports or treatment plans.

AGUS stands for atypical glandular cells of uncertain significance. It means abnormal glandular cells were found in the cervix during a Pap test. These cells look unusual but do not confirm cancer. Finding AGUS usually leads to more tests to understand the cause and decide if treatment is needed. It may also appear under related names such as Atypical Glandular Cells Of Uncertain Significance, Atypical Glandular Cells Of Undetermined Significance.

AHA, or alpha hydroxy acid, is a group of natural acids found in fruits and milk. These acids are often used in skin care products to help soften skin and reduce wrinkles. In cancer care, AHAs may be mentioned when managing skin changes caused by treatments, but they are not medicines or treatments for cancer themselves.

Autohomologous Immunotherapy (AHIT) is a treatment that uses a patient’s own immune cells or biological material to help the body fight disease, including cancer. The patient’s cells are collected, sometimes modified or activated, and then returned to boost the immune system. AHIT aims to support natural defenses and is different from standard cancer treatments like chemotherapy or radiation.

AI, or artificial intelligence, means computers doing tasks that usually need human thinking, like learning and problem-solving. In cancer care, AI helps doctors analyze large amounts of information to improve screening, diagnosis, and treatment planning. Patients might hear about AI in test results, treatment plans, or research studies, but it doesn’t mean a computer is making decisions alone. Instead, AI supports doctors in understanding complex information.

An AI drug, or aromatase inhibitor, is a medicine that lowers estrogen levels by blocking an enzyme called aromatase. This helps slow or stop the growth of some breast cancers that need estrogen to grow. AI drugs are mainly used in postmenopausal women as part of hormone therapy, often after surgery, to reduce the chance of cancer returning. Common examples include anastrozole, letrozole, and exemestane.

Aicardi Syndrome is a rare genetic condition that mostly affects newborn girls. It causes missing brain tissue connecting the two halves of the brain, seizures, and eye problems. People with this syndrome may also have unusual facial features and other physical differences. It can increase the risk of certain tumors, so careful medical monitoring is important.

AIDS (Acquired Immunodeficiency Syndrome) is a condition caused by HIV that weakens the immune system. This makes it harder for the body to fight infections and some cancers. People with AIDS may see this term in medical reports or treatment plans, especially when discussing risks related to a weakened immune system.

AIDS-defining cancers are specific types of cancer that people living with HIV are more likely to develop. When diagnosed with one of these cancers, it indicates that HIV infection has progressed to AIDS. These cancers include Kaposi sarcoma, certain non-Hodgkin lymphomas, and cervical cancer. Knowing this term helps patients and caregivers understand its role in diagnosis and treatment planning.

AIDS-related cancers are types of cancer that occur more often in people living with HIV. These include Kaposi sarcoma, certain lymphomas, and cervical cancer. Understanding this term helps patients and caregivers recognize how HIV affects cancer risk and why special care may be needed for diagnosis, treatment, and monitoring. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

AIS, or adenocarcinoma in situ, means abnormal glandular cells are found in the lining of certain organs like the cervix or lungs. These cells are not yet invasive cancer but could become cancer if untreated. AIS is often found through screening tests and helps doctors decide on monitoring or treatment to prevent cancer from developing.

The AJCC Staging System, also called the TNM system, is a way doctors describe how much cancer is in the body and where it has spread. It looks at the size of the main tumor (T), whether nearby lymph nodes have cancer (N), and if the cancer has spread to other parts of the body (M). This helps guide treatment and understand the cancer’s seriousness.

Akeega is a medicine combining two drugs, niraparib tosylate monohydrate and abiraterone acetate, used with prednisone to treat adults with prostate cancer that has spread and no longer responds to hormone-lowering treatments. It is especially for patients with certain BRCA gene changes. This combination works by targeting cancer cells in two ways to help slow cancer growth.

Akt, also called Protein Kinase B, is a group of enzymes inside cells that help control cell growth and survival. In cancer care, Akt is important because it influences how cancer cells grow and avoid dying. You might hear about Akt in test results, treatment plans, or research related to cancer.

Akynzeo is a medicine combining two drugs, netupitant and palonosetron hydrochloride, used with dexamethasone to prevent nausea and vomiting caused by chemotherapy in adults. It works by blocking brain chemicals that trigger these symptoms, helping patients feel more comfortable during treatment. It may also appear under related names such as Netupitant, Palonosetron Hydrochloride.

Alagille Syndrome is a rare genetic condition that affects the small bile ducts in the liver, causing bile to build up and potentially leading to liver damage. It often appears in children and can also affect the heart, kidneys, eyes, and spine. Knowing about this syndrome is important in cancer care because liver health influences treatment choices and monitoring.

Alanine Aminopeptidase (AAP) is an enzyme normally found in healthy kidneys. Higher levels of AAP in urine can signal kidney damage. Doctors may check AAP to help detect kidney problems caused by medicines or other health issues. It is also used to monitor kidney and liver health during cancer treatment, helping protect these organs from side effects.

Alanine Transferase (ALT), also called SGPT, is an enzyme mainly found in the liver. High levels of ALT in the blood can indicate liver damage or disease. In cancer care, measuring ALT helps doctors understand liver health, which is important for diagnosis, treatment planning, and monitoring. Patients may see ALT results in lab reports or medical notes related to their care.

Alanosine, also called SDX-102, is a drug being studied as a possible cancer treatment. It belongs to a group of medicines called antimetabolites, which work by interfering with cancer cells’ ability to grow and multiply. While not yet a standard treatment, alanosine may be mentioned during discussions about clinical trials or new therapy options.

Albinism is a group of inherited conditions where the body makes little or no melanin, the pigment that colors skin, hair, and eyes. People with albinism often have very light skin and hair and may have vision problems. Because their skin is more sensitive to sunlight, understanding albinism is important for protecting skin health and reducing cancer risks.

Albumin is a natural protein found in your blood and in foods like egg whites and milk. It helps keep fluid inside your blood vessels and carries important substances such as hormones and medicines throughout your body. In cancer care, doctors may check albumin levels with blood tests to learn about your overall health and guide treatment decisions.

ALCAR, or acetyl-L-carnitine, is a natural substance related to carnitine that helps your body turn fat into energy. It is found in muscles, liver, and foods like meat and fish. Researchers are studying ALCAR to see if it can protect healthy tissues from damage caused by chemotherapy. While it may come up in cancer care discussions or clinical trials, it is not a standard cancer treatment.

Anaplastic Large Cell Lymphoma (ALCL) is a fast-growing type of non-Hodgkin lymphoma that usually starts in T-cells, a kind of immune cell. It can affect lymph nodes, skin, bones, lungs, or other organs. ALCL cells have a marker called CD30 on their surface, which helps doctors identify this lymphoma. Understanding ALCL can help patients and caregivers follow diagnosis and treatment discussions.

Alcohol is a chemical found in drinks like beer, wine, and liquor, made by fermenting sugars with yeast. Drinking alcohol regularly or in large amounts can increase the risk of certain cancers, including those of the mouth, throat, liver, and breast. Alcohol also appears in some medicines and household products but usually refers to the type in beverages when discussing cancer risk.

Alcohol ablation is a treatment that uses a needle to inject alcohol directly into a tumor through the skin. Guided by imaging like ultrasound or CT scans, this method helps kill cancer cells in a targeted, less invasive way. Also called ethanol ablation or percutaneous ethanol injection, it may be used to control or shrink certain tumors, especially when surgery is not an option.

Alcohol dependence, also called alcoholism, is a long-term disease where a person feels a strong need to drink alcohol and has trouble controlling their drinking. Over time, they may need more alcohol to feel the same effects and can have withdrawal symptoms when they stop. This condition affects health and daily life and is linked to a higher risk of certain cancers.

Alcoholic Fatty Liver Disease (AFLD) happens when fat builds up in the liver because of heavy drinking. It can often be reversed if caught early and alcohol use stops. If untreated, it may cause liver inflammation, damage, or serious problems. Knowing about AFLD is important for people with cancer because liver health affects treatment choices and overall care.

Alcoholism, also called alcohol dependence, is a long-term disease where a person feels a strong need to drink alcohol and struggles to control their drinking. It can harm physical and mental health and affect relationships and work. Drinking heavily over time can increase the risk of certain cancers, making understanding alcoholism important in cancer care.

Aldara is a prescription cream containing imiquimod used to treat certain skin conditions. It helps the immune system fight abnormal cells in superficial basal cell skin cancer, actinic keratosis (a precancerous skin condition), and genital or perianal warts in adults and children aged 12 and older. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An aldehyde is a type of chemical made from alcohol and found naturally in plant oils. In cancer care, you might see this term in tests or treatment discussions. Aldehydes themselves are not a diagnosis or treatment but are chemicals that may be part of how your body processes substances or how some medicines work.

Aldesleukin is a lab-made medicine that helps the immune system fight certain cancers, including melanoma and kidney cancer that has spread. It works by boosting the activity of white blood cells to attack cancer cells. Aldesleukin may be part of treatment plans or clinical trials and is being studied for other cancers as well.

Aldosterone is a hormone made by the adrenal glands that helps control the balance of salt and water in your body. It works by keeping sodium in the kidneys and helping remove potassium. Changes in aldosterone levels can affect blood pressure and fluid balance. In cancer care, aldosterone may be checked when adrenal gland function or related symptoms need monitoring.

Aldrich Syndrome, also known as Wiskott-Aldrich Syndrome, is a rare inherited disorder that mainly affects young boys. It causes skin problems like eczema, low platelet counts leading to bleeding issues, and frequent infections. People with this syndrome have a higher risk of certain blood cancers such as leukemia and lymphoma. Knowing about this condition helps guide careful medical monitoring and treatment.

Alecensa (alectinib) is a targeted medicine used to treat adults with a specific type of lung cancer called ALK-positive non-small cell lung cancer. It helps stop cancer cells from growing and is used when cancer has spread or to help prevent it from coming back after surgery. Alecensa is only used for lung cancers with a certain gene change called ALK positive.

Alectinib, also called Alecensa, is a targeted medicine used to treat adults with a specific type of lung cancer known as ALK-positive non-small cell lung cancer. It works by blocking proteins that help cancer cells grow. Alectinib is used when the cancer has spread or to help prevent it from coming back after surgery. It is taken by mouth and is part of a group of drugs called tyrosine kinase inhibitors.

Alefacept, also called Amevive, is a medicine that slows the growth of certain immune cells called T cells. It was first used to treat skin conditions like psoriasis and is now being studied for some skin-related T-cell cancers and lymphomas. Alefacept works by reducing immune system activity and is a type of fusion protein and immunosuppressant.

Alemtuzumab, also called Campath, is a medicine used to treat a blood cancer called B-cell chronic lymphocytic leukemia (CLL). It works by targeting a protein called CD52 on certain immune and cancer cells, helping the immune system find and destroy these cancer cells. Alemtuzumab is a type of monoclonal antibody and is being studied for other cancers as well.

Alendronate sodium, also called Fosamax, is a medicine that helps strengthen bones by slowing their breakdown. It’s often used to treat bone conditions like osteoporosis and Paget disease. In cancer care, it may help manage bone pain or high calcium levels caused by cancer. Patients may hear this term during treatment talks or when reviewing medications.

Atypical Lobular Hyperplasia (ALH) is a non-cancerous condition where breast lobules have more cells than usual, and these cells look abnormal under a microscope. While ALH itself is not cancer, it can increase the risk of developing breast cancer in the future. It is often found during breast biopsies and helps doctors decide on monitoring and preventive care.

The alimentary tract, also called the digestive or gastrointestinal tract, is the series of organs that food and liquids pass through from the mouth to the anus. It includes the mouth, throat, esophagus, stomach, intestines, rectum, and anus. This term is important in cancer care because many cancers can develop in these organs, affecting digestion and treatment options.

Alimta is a chemotherapy drug used to treat certain lung cancers and malignant pleural mesothelioma, a cancer of the lung lining. It works by blocking cancer cells from using folic acid to make DNA, which they need to grow. Alimta may be used alone or with other medicines and is also being studied for other cancers.

Alisertib sodium is an experimental drug that blocks a protein called Aurora A kinase, which helps cells divide. By stopping this protein, alisertib sodium may slow or stop the growth of some cancer cells. It is being studied in clinical trials and is not yet a standard treatment. Patients may hear about it when discussing new or investigational cancer therapies.

The ALK gene makes a protein that helps cells grow. Changes in this gene can be found in some cancers, such as certain lung cancers and lymphomas. Testing tumors for ALK gene changes helps doctors choose treatments that target these changes. Knowing about ALK gene status is important but does not always predict how cancer will behave in every person.

ALK inhibitors are medicines that block a protein called anaplastic lymphoma kinase (ALK), which helps control cell growth. By blocking ALK, these drugs can help stop certain cancer cells from growing and spreading. They are a type of targeted therapy used mainly for cancers with specific changes in the ALK gene or protein.

ALK positive means cancer cells have a change in the ALK gene or produce too much ALK protein, which can make them grow faster. This information helps doctors choose treatments that target this change. ALK positive status is often found in cancers like lung cancer, lymphoma, and neuroblastoma and is important for planning care.

An alkali is a chemical that dissolves in water and can reduce acidity by neutralizing acids. It often tastes bitter and can change the color of certain dyes. In cancer care, alkalis may be mentioned in lab tests, treatment plans, or medication information to help manage the body’s acid-base balance and support health during treatment.

The Alkaline Diet, also called the Alkaline Ash Diet, is a way of eating that focuses on foods believed to affect the body’s acid-base balance. It encourages eating more fruits and vegetables to promote a less acidic environment. While sometimes discussed for kidney health and cancer care, there is no strong evidence that it can prevent or treat cancer. Always talk with your healthcare team before making diet changes.

The alkaline diet is a way of eating that focuses on foods thought to reduce acidity in the body. It encourages fresh fruits, nuts, seeds, beans, and non-starchy vegetables while limiting meat, cheese, eggs, grains, and processed foods. Although popular, there is no scientific proof that this diet can prevent or treat cancer or other diseases.

The alkaline diet, also called the acid-ash cancer theory, is a way of eating that suggests cancer grows better in acidic environments and that eating more alkaline foods can help control it. While popular online, there is no strong evidence that changing your body’s acidity through diet can prevent or treat cancer. However, the diet often encourages eating more fruits and vegetables, which is generally healthy.

The Alkaline Diet, also called the Alkaline Ash Diet, is a way of eating that focuses on foods believed to affect the body’s acid-base balance. It encourages more fruits, vegetables, nuts, and beans while limiting meat, dairy, grains, and processed foods. Though sometimes discussed in cancer care, there is no strong evidence that it can prevent or treat cancer. Always talk with your healthcare team before making diet changes.

Alkalinity refers to the amount of alkali, a chemical that can neutralize acids, in body fluids like blood or urine. In cancer care, doctors may check alkalinity to understand your body’s chemical balance during illness or treatment. It’s a normal part of lab tests and doesn’t automatically mean there is a problem. Knowing about alkalinity can help you better understand your health information and discussions with your care team.

Alkalinization is a medical process that lowers acid levels in the body, often using medicines like sodium bicarbonate. In cancer care, it helps manage acid imbalances caused by the disease or treatments. It is not a cancer treatment itself but a way to support the body’s chemistry during care. Patients may see this term in lab results, treatment plans, or medication instructions.

Alkaloids are natural substances found in plants and some fungi that contain nitrogen. Some alkaloids, such as vincristine, are used as chemotherapy medicines to treat cancer. You might hear this term when your doctor talks about cancer treatments or when reading about certain drugs. Understanding alkaloids can help you follow your care plan and ask informed questions about your treatment options.

Alkeran Tablets, also called melphalan, are chemotherapy pills used mainly to treat multiple myeloma and certain ovarian cancers that cannot be removed by surgery. They work by damaging cancer cells’ DNA to stop them from growing and dividing. This medicine is an important option when surgery isn’t possible or other treatments are needed. You may hear about Alkeran during treatment planning or in medical reports.

An alkylating agent is a type of cancer medicine that works by damaging the DNA inside cancer cells. This helps stop the cells from growing and dividing. Alkylating agents are often used in chemotherapy to treat many kinds of cancer. Knowing about these drugs can help you understand your treatment and talk with your care team about your options.

Acute Lymphoblastic Leukemia (ALL) is a fast-growing cancer of the blood and bone marrow. It happens when immature white blood cells called lymphoblasts multiply too quickly, crowding out healthy cells. ALL is most common in children but can affect adults. Understanding ALL helps patients and caregivers recognize its role in diagnosis, treatment, and medical discussions about blood cancers.

All-cause mortality means death from any cause, not just cancer. It counts how many people in a group have died over a certain time. This term helps doctors and researchers understand overall health risks and the impact of diseases or treatments on survival. Patients may see it in medical reports, clinical trials, or discussions about cancer outcomes.

All-trans retinoic acid (ATRA) is a form of vitamin A that helps cells grow and develop properly. It is naturally made in the body and also made in a lab to treat certain skin conditions and a specific blood cancer called acute promyelocytic leukemia (APL). Patients may hear about ATRA during cancer care or skin treatment discussions.

Allegra, also called fexofenadine, is a medicine that helps relieve allergy symptoms like itching, sneezing, and runny nose. It works by blocking histamine, a chemical your body releases during allergic reactions. While not a cancer treatment, Allegra may be used in cancer care to manage allergy symptoms or side effects from other medicines, helping patients feel more comfortable during treatment.

An allele is one of two or more versions of a gene that you inherit—one from each parent. These versions help determine traits like eye color or blood type. In cancer care, changes in alleles can affect how the disease develops or responds to treatment. Understanding alleles can help explain test results and guide personalized care plans.

Allelic heterogeneity means that different mutations in the same gene can cause the same disease or condition. This helps explain why people with the same illness might have different genetic causes. In cancer care, understanding these differences can guide genetic testing and treatment decisions. You might see this term in genetic test reports, treatment plans, or conversations about inherited cancer risks.

An allergen is any substance that can cause an allergic reaction in some people. Common allergens include pollen, mold, and certain foods. In cancer care, knowing about allergens helps doctors and nurses plan treatments safely and manage symptoms. Seeing the word allergen in your medical information doesn’t always mean a serious allergy but helps guide your care to avoid problems and keep you comfortable.

An allergic response happens when the immune system reacts too strongly to something usually harmless, like pollen or certain medicines. In cancer care, allergic responses can affect treatment choices and patient comfort. Patients may hear this term during visits or in reports. While not always serious, allergic responses are important to recognize and manage carefully to keep patients safe and comfortable.

Allogeneic means cells or tissues taken from another person of the same species. In cancer care, it often refers to donor cells used in treatments like stem cell or bone marrow transplants. This term helps explain where cells come from but does not by itself describe a specific treatment or outcome.

An allogeneic bone marrow transplant is a treatment where a patient receives healthy blood-forming stem cells from a donor to replace their own damaged or destroyed stem cells. This procedure is often used after high doses of chemotherapy or radiation, especially for blood cancers like leukemia or lymphoma. The donor’s cells come from someone genetically similar but not an identical twin, helping restore the patient’s ability to make new blood cells.

An allogeneic stem cell transplant is a treatment where healthy blood-forming stem cells are taken from a donor and given to a patient. This helps replace the patient’s own stem cells that have been damaged or destroyed by strong cancer treatments like chemotherapy or radiation. It’s often used for blood cancers such as leukemia and lymphoma, and involves careful matching between donor and patient to improve success and reduce risks.

Allogenic (also called allogeneic) means cells or tissues taken from another person of the same species. In cancer care, it often refers to donor cells used in treatments like bone marrow or stem cell transplants. This term helps explain where cells come from but does not by itself describe a specific treatment or outcome.

An allograft is a transplant of organs, tissues, or cells from one person to another who is not an identical twin. In cancer care, allografts are often used in treatments like bone marrow or stem cell transplants, where donor cells replace damaged or diseased cells. The donor and recipient are different individuals, and careful matching is important to reduce risks and improve outcomes.

Allopathic medicine, also known as conventional or Western medicine, is the common system where doctors and healthcare professionals treat illnesses using drugs, surgery, or radiation. It is the usual approach for diagnosing and treating cancer and other diseases, based on scientific research and widely accepted medical practices. It may also appear under related names such as Biomedicine, Conventional Medicine, Mainstream Medicine, Orthodox Medicine, And Western Medicine.

Allopurinol is a medicine that lowers high levels of uric acid in the blood. High uric acid can happen during some cancer treatments when many cells break down quickly. This drug helps prevent problems like kidney damage by keeping uric acid at safer levels. Patients may hear about allopurinol when their care team talks about managing side effects or protecting kidney health during cancer therapy.

Allovectin-7 is an experimental gene therapy being studied to help the immune system recognize and attack cancer cells. It is not yet a standard treatment but may be offered in clinical trials, especially for cancers like melanoma. Patients might hear about Allovectin-7 when exploring new or research-based treatment options with their healthcare team.

Aloe, often called Aloe Vera, is a plant known for soothing skin and digestive issues. Some early lab and animal studies suggest it might have anti-cancer effects, but there is no strong evidence it can prevent or treat cancer in people. Aloe products, especially oral forms, may carry risks and can interact with medicines. Always talk with your healthcare team before using Aloe during cancer care.

Aloe or aloe vera products are sometimes promoted for cancer prevention, treatment, or easing side effects. While aloe gel may help soothe skin problems like burns or radiation irritation, oral aloe products have uncertain safety and may interact with medicines. Aloe is considered a complementary therapy but is not proven to treat cancer. Always discuss any aloe use with your healthcare team to ensure safety and avoid misunderstandings.

Aloe Vera cancer claims are ideas that Aloe Vera, a plant known for soothing skin and digestive issues, might help prevent or treat cancer. While some lab studies suggest Aloe Vera compounds may affect cancer cells, there is no strong evidence it works as a cancer treatment in people. Aloe products, especially oral forms, may have risks and can interact with medicines. Always talk with your healthcare team before using Aloe during cancer care.

Aloe-Emodin is a natural chemical found in plants like aloe vera. It belongs to a group called anthraquinones, which have been studied for their anti-inflammatory and possible anticancer effects. While it appears in cancer research and discussions, aloe-emodin is not a proven cancer treatment or part of standard care. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Alopecia means losing hair from areas where it normally grows, such as the scalp, eyebrows, or eyelashes. It is a common side effect of cancer treatments like chemotherapy and radiation. Hair loss can vary in amount and location and is often temporary. Understanding alopecia helps patients prepare for changes during treatment and discuss care options with their healthcare team.

Aloxi (palonosetron hydrochloride) is a medicine used to prevent nausea and vomiting caused by chemotherapy or surgery. It works by blocking serotonin, a chemical that can trigger these symptoms. Approved for adults and children aged one month and older, Aloxi helps patients feel more comfortable during cancer treatment or recovery.

Alpelisib (brand name Piqray) is a targeted cancer drug used with fulvestrant to treat certain advanced breast cancers. It works by blocking a protein that helps cancer cells grow, especially in cancers with a specific gene change called PIK3CA. It is mainly for hormone receptor-positive, HER2-negative breast cancer that has worsened after hormone therapy.

Alpha emitter radiation therapy is a cancer treatment that uses a radioactive substance injected into the bloodstream to deliver powerful alpha-particle radiation directly to cancer cells, especially in bones. It aims to kill cancer cells while causing less harm to nearby healthy tissue. This therapy is often used for prostate cancer that has spread to the bones and is being studied for other cancers.

Alpha Hydroxyl Acids (AHAs), also called fruit acids, are natural substances found in fruits and milk. They are commonly used in skin care products to soften skin and reduce wrinkles. In cancer care, AHAs may be mentioned when managing skin changes caused by treatments, but they are not medicines or treatments for cancer themselves.

Alpha-1 Antitrypsin Deficiency (AAT deficiency) is a genetic condition where the body makes too little or a faulty form of a protective protein called alpha-1 antitrypsin. This protein helps protect the lungs and liver from damage. Without enough working protein, lung problems like emphysema and liver issues such as cirrhosis or liver cancer can develop. Knowing about this condition can be important during cancer care.

Alpha-adrenergic antagonists, also called alpha-blockers, are medicines that relax muscles in blood vessels and the prostate gland. This helps improve blood flow and urine flow. They are often used to ease symptoms of conditions like enlarged prostate (BPH), high blood pressure, and some circulation problems. These medicines may also be part of managing symptoms during cancer care.

Alpha-blockers are medicines that relax muscles in blood vessels and the prostate gland. This helps improve blood flow and makes urination easier. They are often used to relieve symptoms of conditions like an enlarged prostate or high blood pressure. In cancer care, alpha-blockers may help manage symptoms caused by tumors or treatments affecting the urinary system or blood pressure. They are also called alpha-adrenergic antagonists.

Alpha-fetoprotein (AFP) is a protein made by a developing baby during pregnancy. In healthy adults, AFP levels are usually very low or undetectable. Higher AFP levels in adults can suggest certain cancers, like liver cancer or germ cell tumors. Doctors use AFP tests to help diagnose, monitor, or plan treatment, but a high AFP level alone does not confirm cancer.

Alpha-lipoic acid is a natural substance made by the body and found in foods like spinach and broccoli. It acts as an antioxidant and is being studied for its potential to protect healthy cells during chemotherapy, especially to help prevent nerve problems such as numbness or tingling in the hands and feet.

Alpha-tocopherol, also called vitamin E, is a nutrient that helps protect your cells from damage and supports your immune system. It is found naturally in foods like nuts, seeds, leafy greens, and vegetable oils. While it is important for overall health, alpha-tocopherol is not a treatment or cure for cancer but may be part of a healthy diet during cancer care.

Alprazolam, also known as Xanax, is a medication often used to treat anxiety and panic disorders. In cancer care, it may also help manage nausea and vomiting caused by some treatments. Patients may see this medicine listed in their treatment plans or medication lists as part of supportive care to ease symptoms and improve comfort during cancer therapy.

Alprostadil is a medication used to treat erectile dysfunction, especially in men who have difficulty getting or keeping an erection after prostate cancer surgery. Also called PGE1 or prostaglandin E1, it works by relaxing blood vessels to improve blood flow. You may hear about alprostadil when discussing sexual side effects of cancer treatment or recovery.

Alstonine is a natural compound found in certain plants, including Rauwolfia vomitoria. It is part of some alternative cancer care discussions, especially related to the Beljanski Protocol. While laboratory studies have explored its effects, there is currently no strong clinical evidence supporting its use as a cancer treatment in humans. Patients should approach claims about alstonine with caution and discuss any interest with their healthcare team.

ALTENS, or Acupuncture-Like Transcutaneous Electrical Nerve Stimulation, is a non-invasive treatment that uses mild electrical currents applied to specific points on the skin, similar to acupuncture spots. It is being studied to help relieve dry mouth caused by radiation therapy in cancer patients. ALTENS offers a needle-free option that may ease symptoms related to cancer treatment side effects.

Alteplase is a medicine made in a lab that helps dissolve blood clots. It is used in emergencies like heart attacks, strokes, and lung clots. In cancer care, it may be mentioned because people with cancer can develop blood clots. Alteplase is also called Activase or r-tPA. It is not a cancer treatment but helps manage clot-related problems that sometimes occur with cancer or its treatments.

An alteration is a change that makes something different from its original form. In cancer care, it usually means a change in genes or cells that can affect diagnosis, treatment, or monitoring. Not all alterations are harmful or permanent, but they can provide important information to guide medical decisions and personalize care.

Alternative / Integrative Cancer Approaches include treatments and therapies that are not part of standard cancer care. These may involve methods like acupuncture, herbal supplements, or special diets. When used alongside regular cancer treatments, they are called integrative approaches. It’s important to discuss any such therapies with your healthcare team to ensure safety and avoid interactions with your cancer treatment.

Alternative and integrative cancer approaches include a variety of methods used alongside or instead of standard cancer treatments. These may focus on symptom relief, improving quality of life, or prevention. Because each approach differs in safety and evidence, it’s important to discuss any you’re considering with your healthcare team to ensure they fit safely with your cancer care.

Alternative medicine includes treatments used instead of standard cancer care, such as special diets, herbal remedies, or vitamins. These approaches usually have less scientific evidence supporting their safety and effectiveness. Knowing what alternative medicine means can help patients make informed choices and discuss options clearly with their healthcare team. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

The Vaccine-Friendly Plan, also called an Alternative Vaccine Schedule, is a way some parents choose to delay or space out vaccines for their children instead of following the standard vaccine schedule recommended by health experts. It aims to address concerns about vaccine safety but is not supported by major medical organizations. Understanding this term can help families discuss vaccine choices with their healthcare providers.

Altretamine is a cancer medicine called an alkylating agent. It works by damaging the DNA inside cancer cells, which helps stop their growth. Altretamine is sometimes used in chemotherapy, especially for certain cancers like ovarian cancer. Knowing about altretamine can help patients and caregivers understand treatment options and what to expect during therapy.

Alum is a chemical made from aluminum sulfate combined with another substance, usually potassium sulfate. In medicine, it helps shrink tissues, stop bleeding, and boost the immune response, especially with vaccines. In cancer care, alum may be used during procedures to control bleeding or as part of vaccines that support the immune system. It is not a cancer treatment itself but a tool used in specific medical situations.

Aluminum is a common metal found naturally in the earth’s crust and present in small amounts in soil, water, and many foods. It is used in everyday items like foil, cans, and cookware, as well as some medical and dental products. While small amounts are generally safe, high levels in the body can be harmful. Understanding aluminum helps patients recognize when it might be relevant to their health or cancer care.

Alunbrig, also called brigatinib, is a targeted medicine used to treat adults with a type of lung cancer known as ALK-positive non-small cell lung cancer that has spread. It works by blocking proteins that help cancer cells grow and spread. Alunbrig is taken as a pill and is also being studied for other cancers. It is important for patients whose tumors have a specific ALK gene change.

The ALVAC-CEA vaccine is an experimental cancer vaccine made from a harmless virus changed to help the immune system recognize and attack cancer cells that produce a protein called carcinoembryonic antigen (CEA). It is being studied in clinical trials but is not yet a standard treatment. Patients may hear about it when discussing new therapies or tumor markers related to certain cancers.

Alveolar rhabdomyosarcoma (ARMS) is a rare type of soft tissue cancer that usually affects older children and teenagers. It starts in early muscle cells and most often appears in the trunk, arms, or legs. Knowing this term helps patients and families understand their diagnosis and treatment options. It may also appear under related names such as ARMS.

Alveolar soft part sarcoma (ASPS) is a rare type of soft tissue tumor that mainly affects older children and teenagers. It starts in the soft tissues that support and connect organs and other body parts. ASPS most often appears in the legs but can also develop in the arms, hands, head, or neck. Knowing about ASPS helps patients and caregivers understand diagnosis and treatment planning.

Alveoli are tiny air sacs in the lungs where oxygen enters the blood and carbon dioxide leaves it. They are essential for breathing and important in cancer care when lung health is involved. Understanding alveoli helps patients follow lung-related diagnoses, treatments, and reports. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Alvocidib, also called flavopiridol or HMR 1275, is a drug being studied to treat certain cancers. It works by blocking proteins that help cancer cells divide and grow. While not yet a standard treatment, alvocidib is part of ongoing research and may be offered in clinical trials for some patients.

Alymsys is a cancer medicine containing bevacizumab that helps slow tumor growth by blocking a protein called VEGF. This protein helps tumors grow new blood vessels needed for their growth. Alymsys is used alone or with other treatments for cancers such as cervical, colorectal, lung, kidney, brain, and ovarian cancers. It is a targeted therapy aimed at cutting off the tumor’s blood supply.

Alzheimer Dementia, also called Alzheimer Disease, is a brain disorder that usually starts in later adulthood and slowly worsens. It affects memory, thinking, language, and behavior. In cancer care, knowing about Alzheimer Dementia helps doctors plan treatments and support patients who may have trouble managing their care. It may also appear under related names such as Alzheimer Disease.

Alzheimer Disease, also called Alzheimer dementia, is a brain disorder that usually starts in older adults and slowly worsens over time. It causes memory loss, confusion, and changes in thinking, behavior, and personality. In cancer care, knowing about Alzheimer Disease helps doctors plan treatments and support patients who may have trouble managing their care.

Amanita Phalloides, also called the death cap mushroom, is a very poisonous fungus that can cause serious liver and kidney damage. While it is not related to cancer itself, knowing about it is important because poisoning can affect organ health and influence cancer treatment plans. It may also appear under related names such as Death Cap.

Amantadine hydrochloride is a medicine used to treat infections caused by the influenza A virus by stopping the virus from entering cells and multiplying. It also helps ease symptoms of Parkinson’s disease. While not a cancer treatment, it may be used in cancer care to manage infections or neurological symptoms, supporting overall health during cancer treatment.

Amatuximab is an experimental medicine being studied to treat mesothelioma, a cancer affecting the lining of the lungs or abdomen. It is a lab-made protein called a monoclonal antibody that attaches to a protein named mesothelin on some cancer cells. This may help the immune system recognize and attack these cancer cells. Amatuximab is not yet a standard treatment and is mainly available through clinical trials.

Ambien, also called zolpidem, is a medication used to help people who have trouble sleeping or feel anxious. In cancer care, it may be prescribed to ease sleep problems or anxiety that can come with diagnosis or treatment. Ambien is not a cancer treatment but a supportive medicine to help improve rest and comfort during your care.

Age-related macular degeneration (AMD) is an eye condition where the center of the retina slowly breaks down, causing blurred or lost central vision. It mainly affects people over 50 and can make tasks like reading or driving harder. AMD may be mentioned during cancer care when vision changes are a concern, but it is a separate condition from cancer.

AMD 3100, also called Mozobil or plerixafor, is a medicine used to help move stem cells from the bone marrow into the bloodstream. This makes it easier to collect these cells for patients with certain cancers, like non-Hodgkin lymphoma or multiple myeloma, who are preparing for a stem cell transplant. It is usually given with another drug called G-CSF to improve stem cell collection.

Amelanotic melanoma is a type of skin cancer where the cancer cells do not produce melanin, the pigment that usually colors the skin. This makes the cancer look different from typical dark melanomas, often appearing pink, red, or pale. Because it can be harder to recognize, understanding this type helps patients and caregivers stay alert to unusual skin changes and discuss diagnosis and treatment clearly with their healthcare team.

Ameloblastoma is a rare tumor that starts in the cells forming tooth enamel, usually found in the jaw near the molars. It is generally not cancer but can grow quickly, causing pain, swelling, and damage to nearby tissues. Knowing about ameloblastoma helps patients understand diagnosis and treatment related to jaw tumors.

Ameluz is a medicine used with a special light treatment called photodynamic therapy to treat actinic keratosis, a skin condition that can sometimes turn into skin cancer. It contains aminolevulinic acid hydrochloride, which is absorbed by abnormal skin cells. When exposed to a specific light, Ameluz becomes active and helps destroy these cells, targeting early skin changes without surgery.

Amevive, also called alefacept, is a medicine that slows the growth of certain immune cells called T cells. It is mainly used to treat some skin conditions and is being studied for certain skin-related T-cell cancers. Amevive works by reducing immune system activity and may appear in treatment plans or clinical trials for these cancers.

AMG 102 is an experimental cancer medicine called a monoclonal antibody. It works by attaching to a protein named hepatocyte growth factor (HGF), which some cancers use to grow and spread. By blocking HGF, AMG 102 may help slow or stop cancer growth. It is still being studied and is not yet a standard treatment.

AMG 162, also called denosumab, is a medicine used to protect bones in people with certain cancers. It helps prevent bone problems caused by cancers like multiple myeloma or tumors that have spread to the bones. It is also used to treat specific bone tumors and high calcium levels caused by cancer. You might hear it called by brand names such as Xgeva or Prolia during cancer care.

AMG 531, also called Nplate or romiplostim, is a medicine that helps increase low platelet counts in adults and some children with immune thrombocytopenic purpura (ITP) when other treatments haven’t worked. It works by encouraging the bone marrow to make more platelets, which are blood cells that help stop bleeding. It is also being studied for use in other conditions, including some cancers.

AMG 706 is an experimental drug being studied to treat certain cancers. It works by blocking the growth of new blood vessels that tumors need to grow, a process called angiogenesis. AMG 706 also interferes with signals inside cancer cells that help them multiply. It is not yet approved as a standard cancer treatment but may be available through clinical trials.

AMH, or Anti-Mullerian Hormone, is a hormone made by the ovaries in females and the testicles in males. It helps develop reproductive organs and controls egg growth in women. Measuring AMH levels can provide information about fertility, ovarian health, and some medical conditions, including those related to cancer care. It may also appear under related names such as Anti-Mullerian Hormone.

Amifostine (brand name Ethyol) is a medicine used during certain cancer treatments to protect healthy tissues. It helps reduce kidney damage caused by the chemotherapy drug cisplatin in advanced ovarian cancer and lessens dry mouth caused by radiation therapy after head and neck cancer surgery. By shielding normal cells, amifostine aims to lower some side effects, making cancer treatment safer and easier to tolerate.

Amikacin is an antibiotic used to treat serious bacterial infections. It belongs to a group called aminoglycosides and is often given by injection. In cancer care, it may be used to help prevent or treat infections when the immune system is weakened by treatments like chemotherapy. Seeing the name amikacin in your care does not always mean you have an infection or will receive this medicine.

Amino acids are small molecules that join together to form proteins, which are essential for many body functions. In cancer care, understanding amino acids helps explain how the body builds and repairs tissues. You might hear this term during discussions about nutrition, lab tests, or treatment plans. Amino acids themselves don’t diagnose or treat cancer but are part of the information your care team uses.

An amino acid sequence is the specific order of amino acids that make up a protein. Proteins perform many important jobs in the body, and their function depends on this sequence. In cancer care, understanding amino acid sequences helps doctors learn how cancer cells work and can guide treatment choices. You might see this term in test results, treatment plans, or research information related to your care.

Aminobenzoic acid, also called PABA or para-aminobenzoic acid, is a nutrient related to the vitamin B complex. It is found naturally in grains and animal foods and helps certain gut bacteria survive. In cancer care, aminobenzoic acid is being studied as a radiosensitizer, a substance that might make tumor cells more sensitive to radiation therapy, though this use is still experimental.

Aminocamptothecin is a cancer drug that blocks enzymes called topoisomerases, which cancer cells need to grow and divide. It may be mentioned in treatment plans or clinical trials but is not used for every patient. Knowing about aminocamptothecin can help you understand some chemotherapy options and ask informed questions about your care.

Aminoglutethimide is a medicine used in cancer treatment to lower sex hormone levels like estrogen and testosterone. By blocking hormone production, it helps slow or stop the growth of tumors that need these hormones. Patients may hear about aminoglutethimide during discussions of hormone-sensitive cancers or see it in treatment plans. Understanding its role can help patients feel more confident in their care.

Aminoglycoside antibiotics are medicines used to treat certain bacterial infections. Common examples include gentamicin, streptomycin, and neomycin. In cancer care, these antibiotics may be used to prevent or treat infections when the immune system is weakened by treatment. Seeing this term in your care documents doesn’t always mean you have an infection or are currently taking these drugs.

Aminolevulinic acid hydrochloride is a medicine used with special light therapy to treat certain skin conditions that might turn into cancer. It also helps doctors see some brain tumors better during surgery. This drug works by making abnormal cells sensitive to light, which helps kill or find them. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Aminopterin is a type of anticancer drug called an antimetabolite. It works by blocking substances cancer cells need to grow and divide. Although it is rarely used today, aminopterin has historical importance in cancer treatment and may appear in medical reports or research discussions. Knowing about aminopterin can help you understand how some chemotherapy drugs work and support informed conversations with your care team.

Amiodarone Hydrochloride, also called Corderone, is a medicine used to treat certain irregular heartbeats that have not improved with other treatments. It helps the heart beat more regularly by affecting its electrical signals. In cancer care, it may be used to manage heart rhythm problems that arise during or after cancer treatment.

Amitriptyline hydrochloride is a medicine first made to treat depression. It is also used to help with anxiety, sleep problems, and certain types of pain. In cancer care, it may be prescribed to manage nerve pain caused by chemotherapy. It belongs to a group called tricyclic antidepressants and can come as pills or a gel during treatment.

Amivantamab, also called Rybrevant, is a targeted medicine used to treat adults with a type of lung cancer called non-small cell lung cancer (NSCLC) that has spread and has a specific gene change known as an abnormal EGFR gene. It can be given alone or with other drugs, especially when other treatments have not worked or the cancer has returned. It works by blocking proteins on cancer cells to help stop their growth.

Acute Myeloid Leukemia (AML) is a fast-growing cancer of the blood and bone marrow. It happens when too many immature white blood cells called myeloblasts build up, crowding out healthy cells. AML can worsen quickly without treatment and may spread to other parts of the body. Early diagnosis and care are important to manage symptoms and plan treatment.

AML-MRC is a type of acute myeloid leukemia where immature white blood cells called myeloblasts make up at least 20% of the blood or bone marrow. It often develops in people with previous blood disorders or specific cell changes. This diagnosis usually occurs in older adults and helps guide treatment decisions and care planning.

Ammonia is a gas made by the body when it breaks down proteins. It has a strong smell and can irritate skin and lungs. In cancer care, doctors may check ammonia levels to see how well the liver is working, since the liver helps remove ammonia from the body. High ammonia levels can sometimes cause symptoms and may need attention, but they are only one part of understanding a patient’s health.

Ammonium tetrathiomolybdate is a substance being studied as a possible cancer treatment. It works by removing extra copper from the body, which may help stop tumors from growing new blood vessels they need to survive. It is a type of chelating agent and antiangiogenesis agent, meaning it binds to copper and may help block cancer growth by cutting off blood supply to tumors.

Amniotic fluid is the clear or slightly yellow liquid that surrounds and protects a baby during pregnancy. It cushions the baby, helps keep the womb’s temperature steady, and supports the baby’s lung, digestive, and bone development. Doctors may test this fluid to check the baby’s health or look for genetic conditions, especially when pregnancy and cancer care overlap.

Amonafide is a drug being studied to treat cancer. It works by interfering with cancer cells’ ability to copy their DNA, which can slow or stop their growth. It is not yet a standard treatment but may be offered in clinical trials or research settings. Learning about amonafide can help you understand treatment discussions and ask informed questions.

Amoxicillin is a common antibiotic medicine that kills certain bacteria causing infections. It belongs to the penicillin family and is often used in cancer care to prevent or treat infections when the immune system is weak. Patients may hear this term during treatment discussions or see it on medication lists. Knowing about amoxicillin helps patients understand how infections are managed during cancer treatment.

Amoxicillin-Clavulanate Potassium, also called Augmentin, is a combination antibiotic used to treat bacterial infections. It pairs amoxicillin with clavulanate potassium to help the medicine work longer and fight bacteria that might resist amoxicillin alone. In cancer care, it may be prescribed to prevent or treat infections when the immune system is weakened by treatments like chemotherapy.

Amphotericin B is a medicine used to treat serious fungal infections. It is especially important for people with weakened immune systems, such as some cancer patients. This antifungal drug helps stop fungi from growing and spreading, protecting patients during vulnerable times. You might hear about Amphotericin B if fungal infections are a concern in your care.

Amplimexon, also called Imexon, is a drug being studied for treating several cancers such as pancreatic, lung, breast, prostate, melanoma, and multiple myeloma. It belongs to a group of drugs called cyanoaziridine derivatives. Amplimexon is not yet a standard treatment but is part of ongoing research to find new options for cancer care.

An ampulla is a small, pouch-like swelling found naturally in certain ducts or canals inside the body. In cancer care, it often refers to specific areas like the ampulla of Vater, where tumors may develop. The term describes a part of the body’s anatomy and does not mean there is cancer or disease by itself. Knowing what an ampulla is can help you better understand your diagnosis and treatment.

The Ampulla of Vater is a small, widened area where the bile duct from the liver and the pancreatic duct join and empty into the small intestine. It helps control the flow of digestive juices important for breaking down food. This area can be involved in certain cancers, so knowing its location and role can help patients understand their diagnosis and treatment better.

Ampulla of Vater cancer, also called ampullary cancer, is a rare cancer that starts where the bile and pancreatic ducts join and empty into the small intestine. This area helps with digestion. Symptoms may include jaundice (yellowing of skin and eyes), stomach pain, nausea, vomiting, and weight loss. Knowing about this cancer helps guide diagnosis and treatment decisions.

Ampullary cancer is a rare cancer that starts in the ampulla of Vater, where the bile and pancreatic ducts join and empty into the small intestine. It can cause symptoms like jaundice (yellowing of the skin and eyes), abdominal pain, nausea, vomiting, and weight loss. Knowing about this cancer helps guide diagnosis and treatment decisions.

Amputation is a surgery that removes a limb or part of the body, such as an arm or leg, often due to cancer, injury, or disease. In cancer care, it may be used to remove tumors or damaged tissue when other treatments aren’t enough. Amputation doesn’t always mean losing a whole limb. After surgery, patients may use artificial limbs (prosthetics) and undergo rehabilitation to regain function and improve quality of life.

Amputation and prosthetic rehabilitation involve surgically removing a limb or part of a limb when cancer or its treatment has caused severe damage or pain. After surgery, patients are fitted with an artificial limb (prosthesis) and receive therapy to learn how to use it, manage pain, and regain independence in daily activities.

Amrubicin is a chemotherapy drug studied mainly for lung cancer. It belongs to a group of medicines related to anthracyclines, which work by slowing or stopping cancer cell growth. Patients may hear about amrubicin during treatment discussions or clinical trials. Knowing about it can help patients understand their care options and ask informed questions.

Amsacrine is a chemotherapy drug used to treat certain cancers, especially some blood cancers. It works by blocking enzymes called topoisomerases, which cancer cells need to copy their DNA and grow. Understanding amsacrine can help patients feel more informed about their treatment options and what to expect during chemotherapy. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Amtagvi, also called lifileucel, is a treatment for adults with melanoma that has spread or cannot be removed by surgery. It uses immune cells taken from a patient’s tumor, grown in the lab, and given back to help the body fight cancer. Amtagvi is used when other treatments, like PD-1 blockers and BRAF inhibitors, have not worked.

Amuvatinib, also called MP470, is an experimental drug being studied to treat some cancers. It works by blocking proteins that help cancer cells grow and repair their DNA. This may make cancer cells more sensitive to chemotherapy and radiation. Amuvatinib belongs to a group of drugs called tyrosine kinase inhibitors, which target specific molecules involved in cancer progression.

Amygdalin is a natural substance found in the pits of fruits like apricots and in some raw nuts and plants. Sometimes called vitamin B17, it has been used as an alternative cancer treatment in some countries. However, studies have not shown it to be effective against cancer, and it is not approved for cancer treatment in the United States.

Amylase is a natural enzyme that helps break down starches from foods like bread and potatoes into sugars during digestion. It is mainly made by the pancreas and salivary glands. In cancer care, measuring amylase levels can help doctors understand how the pancreas or related organs are working. Seeing the term in your tests or reports doesn’t always mean there is a problem, but it can be part of checking your digestive health.

Amyloidosis is a group of diseases where abnormal proteins called amyloid build up in organs or tissues. This buildup can happen in one area or throughout the body. Amyloidosis may occur on its own, be inherited, or result from another illness like certain cancers, including multiple myeloma. The protein deposits can affect how organs work and may influence cancer diagnosis and treatment.

Anabolic steroids are man-made drugs similar to the male hormone testosterone. They help build muscle, repair tissues, and increase appetite. In cancer care, anabolic steroids may be used to support patients who have lost weight or muscle due to illness or treatment. These drugs are not cancer treatments but may help improve strength and nutrition during care.

Anagrelide is a medicine that lowers the number of platelets in the blood. Platelets help blood clot, but too many can cause harmful clots. It is used to manage high platelet counts in certain blood disorders, including some related to cancer. Anagrelide helps reduce risks of clotting problems and supports overall blood health as part of a treatment plan.

Anakinra, also called Kinaret, is a medicine that reduces inflammation by blocking a protein called interleukin 1. It is mainly used to treat rheumatoid arthritis but is being studied for possible use in cancer care. Patients may hear about Anakinra during discussions of new treatments or clinical trials, especially when inflammation is part of the cancer or its symptoms.

Anal refers to anything related to the anus, the opening at the end of the digestive tract where stool leaves the body. In cancer care, this term is important because cancers can develop in this area. Patients may see or hear 'anal' in medical reports, treatment plans, or discussions about symptoms and tests. Understanding this term helps clarify which part of the body is involved and what to expect during care.

Anal cancer is a type of cancer that starts in the tissues of the anus, the opening at the end of the digestive tract where stool leaves the body. It affects a sensitive area important for bowel control and requires specific care. Understanding anal cancer helps patients and caregivers better follow diagnosis, treatment, and discussions with their healthcare team.

Anal dysplasia is when cells in the lining of the anal canal or the skin around the anus grow abnormally. It is often caused by certain types of human papillomavirus (HPV). Anal dysplasia can be mild (low grade) or more serious (high grade). It is not cancer but may develop into cancer if not monitored or treated.

An anal Pap smear (also called an anal Pap test) is a simple procedure where cells are gently collected from the anus to check for abnormal changes or signs of cancer. It can also detect infections or inflammation. This test helps doctors find early problems and is especially important for people at higher risk of anal cancer.

An Anal Pap Test, also called an anal Pap smear, is a simple procedure where cells are gently collected from the anus to check for abnormal changes or signs of cancer. It can also detect infections or inflammation. This test helps doctors find early problems and guide care, especially for people at higher risk of anal cancer.

Anal warts are small, raised bumps that appear in or around the anus. They are caused by the human papillomavirus (HPV), which spreads through skin-to-skin contact, often during sexual activity. Usually painless, anal warts may sometimes cause itching or bleeding. While having anal warts does not mean you have cancer, they can increase the risk of anal cancer and may need monitoring or treatment.

Analgesia means pain relief. In cancer care, it refers to any method or treatment used to reduce pain caused by cancer, its treatments, or other health issues. Understanding analgesia helps you discuss pain control options with your care team and be involved in managing your comfort during diagnosis, treatment, or recovery.

An analgesic is a medicine that helps reduce or relieve pain. People with cancer may use analgesics to manage pain caused by the disease or its treatment. Common examples include over-the-counter drugs like aspirin, acetaminophen (Tylenol), and ibuprofen. Understanding analgesics can help you discuss pain relief options with your healthcare team.

An analog is a substance that is similar to another but not exactly the same. In cancer care, analogs often refer to drugs that resemble existing treatments but may work differently or have different effects. Understanding this term can help you recognize how new or related medications fit into your treatment plan.

Analysis means breaking down complex information into simpler parts to better understand it. In cancer care, it helps doctors and patients make sense of test results, treatment options, and medical reports. Analysis is a step in understanding your health and planning care, not a final diagnosis or decision. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Anaphylactic shock is a sudden, severe allergic reaction that can be life-threatening. It happens when the immune system overreacts to a substance it has seen before, causing symptoms like swelling, trouble breathing, and fainting. In cancer care, some treatments might trigger this reaction, so knowing the signs helps patients and caregivers get urgent help quickly.

Anaplastic describes cancer cells that grow quickly and look very different from normal cells. This term helps doctors understand how aggressive a cancer might be. Patients may see it in pathology reports or treatment plans. It doesn’t automatically mean the cancer is untreatable, but it often influences diagnosis and treatment decisions.

Anaplastic Large Cell Lymphoma (ALCL) is a fast-growing type of non-Hodgkin lymphoma that usually starts in T-cells, a kind of immune cell. It can affect lymph nodes and other parts of the body such as skin, bones, lungs, or liver. ALCL cells have a marker called CD30, which helps doctors identify this lymphoma and guide treatment decisions.

Anaplastic Lymphoma Kinase (ALK) is a protein that helps control cell growth. Changes in the ALK gene can cause some cancers, like certain lymphomas, neuroblastoma, and lung cancer, to grow and spread. Testing for ALK changes can help doctors choose treatments that target this protein, offering more personalized care options.

The anaplastic lymphoma kinase (ALK) gene makes a protein that helps cells grow. Changes in this gene can be found in some cancers, such as certain lung cancers and lymphomas. Testing tumors for ALK gene changes helps doctors choose treatments that target these changes. Knowing about ALK gene status is important but does not always predict how cancer will behave in every person.

Anaplastic lymphoma kinase inhibitors, or ALK inhibitors, are medicines that block a protein called ALK, which helps cells grow. By stopping this protein, these drugs can slow or stop the growth of some cancer cells. They are a type of targeted therapy used mainly for cancers with specific changes in the ALK gene or protein.

Anaplastic Lymphoma Kinase Positive (ALK Positive) means cancer cells have changes in the ALK gene or produce too much ALK protein. This can cause cancer cells to grow faster. Knowing if a cancer is ALK Positive helps doctors choose treatments that target this change. ALK Positive status is often found in cancers like lung cancer, lymphoma, and neuroblastoma and is important for planning care.

Anaplastic thyroid cancer is a rare and aggressive type of thyroid cancer where the cancer cells look very different from normal thyroid cells. It grows and spreads quickly, making timely diagnosis and treatment important. Understanding this cancer helps patients and caregivers recognize its seriousness and the need for close medical care.

Anastomosis is a surgical procedure that connects two healthy sections of a tube-like organ after removing a damaged or diseased part, such as a tumor. It helps restore normal function in organs like the intestines or esophagus. Seeing this term in your care plan or reports means a step was taken to reconnect parts of your body, not necessarily that there is a problem or complication.

Anastrozole, also called Arimidex, is a hormone therapy medicine used mainly to treat certain breast cancers in women after menopause. It works by lowering estrogen levels in the body, which can help stop cancer cells that need estrogen from growing. It is not chemotherapy but a targeted treatment often used when cancer cells have hormone receptors.

Anatomic relates to anatomy, the study of the body’s structure. In cancer care, it describes where cancer is located in the body and how it relates to nearby organs or tissues. The term helps doctors plan tests and treatments but does not describe how aggressive or advanced the cancer is. Patients may see it in medical reports, imaging results, or treatment plans to understand the physical location of their cancer.

An anatomist is a person trained in anatomy, the study of body structures. In cancer care, their knowledge helps doctors understand where cancer is located and how it affects nearby organs. While you might see this term in medical reports or educational materials, an anatomist usually supports the medical team behind the scenes rather than treating patients directly.

Anatomy is the study of the body’s structure, including cells, tissues, and organs. In cancer care, understanding anatomy helps doctors identify where cancer starts, how it spreads, and how treatments target specific areas. Patients may hear this term in medical reports, treatment plans, or when discussing tests and surgeries. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

ANC, or Absolute Neutrophil Count, measures the number of neutrophils—white blood cells that help fight infections—in your blood. In cancer care, treatments like chemotherapy can lower ANC, increasing infection risk. Your care team monitors ANC to guide treatment safety. A low ANC doesn’t always mean you have an infection but signals your body may be less able to fight one.

Ancestim is a lab-made protein that helps blood stem cells grow and develop into different types of blood cells. It is being studied as a possible treatment for blood disorders like myelodysplasia. Ancestim encourages the body to produce more healthy blood cells, which can be important for managing blood-related health problems.

Ancient grains are whole grains like oats, quinoa, and millet that have been eaten for centuries. They contain all parts of the grain, providing fiber, vitamins, and minerals that support overall health. Including ancient grains in your diet can help with digestion, heart health, and may support your immune system during cancer care. While not a treatment, they are a healthy part of balanced nutrition.

Ancient grains and whole grains are nutrient-rich foods that include all parts of the grain kernel, providing more fiber, vitamins, and minerals than refined grains. They are often recommended as part of a healthy diet that may help lower the risk of some cancers. While not a treatment, including these grains can support overall nutrition and well-being during cancer care and prevention.

An ancillary test is an extra medical test done during a clinical trial or cancer care that wasn’t part of the original plan. These tests provide additional information about the disease or treatment effects but usually don’t change diagnosis or treatment. Patients may see this term in reports or trial documents and should know it means extra support, not a major change in care.

Androblastoma is a rare tumor that grows in the tissues around the ovaries. These tumors produce testosterone, a male hormone, which can cause physical changes like facial hair growth and a deeper voice. Androblastomas may be benign (not cancer) or malignant (cancer). Knowing about this tumor helps patients recognize symptoms and discuss diagnosis and treatment options with their healthcare team.

Androgens are hormones that help develop and maintain male traits like facial hair and a deeper voice. They are present in everyone but are most common in males. In some cancers, especially prostate cancer, androgens can encourage cancer growth. Treatments may aim to lower or block these hormones to slow cancer. Understanding androgens can help you follow your care, but the term alone doesn’t explain your diagnosis or treatment.

Androgen ablation is a treatment that lowers or blocks male hormones, mainly testosterone, to help slow the growth of certain cancers like prostate cancer. It may involve surgery, medications, or hormone therapy. Understanding this term helps patients follow their care and ask informed questions about their treatment options. It may also appear under related names such as Androgen Deprivation, Androgen Suppression.

Androgen deprivation is a treatment that lowers or blocks male hormones, mainly testosterone, to slow the growth of certain cancers like prostate cancer. It can involve surgery or medications. This approach helps control cancer growth but does not mean the cancer is cured or gone. It may also appear under related names such as Androgen Ablation, Androgen Suppression.

The androgen receptor (AR) is a protein inside certain cells that binds male hormones called androgens, like testosterone. In prostate cancer, these receptors help the cancer cells grow by responding to these hormones. Understanding androgen receptors is important because treatments that block their activity can slow cancer growth. You may hear about AR in test results, treatment plans, or hormone therapy discussions for prostate cancer.

An androgen receptor antagonist is a medicine that blocks male hormones, called androgens, from attaching to proteins in prostate cells. This helps slow or stop the growth of prostate cancer cells that need these hormones. These drugs are often part of hormone therapy for prostate cancer and may be called antiandrogens or androgen receptor blockers.

An androgen receptor blocker is a medicine that stops male hormones, called androgens, from attaching to proteins in prostate cells. This helps slow or stop the growth of some prostate cancers. These drugs are often part of hormone therapy for prostate cancer but do not cure the disease. They are also called antiandrogens or androgen receptor antagonists.

Androgen receptor negative (AR negative) describes cancer cells that do not have a protein called the androgen receptor, which binds to male hormones called androgens. These cancer cells do not rely on androgens to grow, so treatments that block these hormones may not be effective. Knowing if a cancer is AR negative helps doctors choose the best treatment options and is often part of lab testing and reports.

Androgen receptor positive (AR positive) means cancer cells have a protein that allows them to respond to male hormones called androgens. These hormones may help the cancer grow. Knowing if cancer is AR positive helps doctors decide if treatments that block androgen effects might slow or stop the cancer. You might see this term in test results, treatment plans, or discussions about hormone therapies.

Androgen suppression is a treatment that lowers or blocks male hormones, mainly testosterone, to help slow the growth of certain cancers like prostate cancer. It may involve surgery or medications. Understanding this term helps patients know how hormone levels affect cancer and what to expect from their care. It may also appear under related names such as Androgen Ablation, Androgen Deprivation.

An androgen synthesis inhibitor is a medicine that lowers male hormones like testosterone by blocking their production in the body. These hormones can help some prostate cancers grow, so these drugs may slow or stop cancer growth. They are a type of hormone therapy often used in prostate cancer treatment. Common examples include abiraterone and ketoconazole.

Androgen-dependent prostate cancer is a type of prostate cancer that needs male hormones called androgens, like testosterone, to grow. Many early prostate cancers rely on these hormones, so treatments that lower androgen levels or block their effects can help control the cancer. You might hear this called androgen-sensitive or hormone-sensitive prostate cancer. Understanding this term helps you follow your diagnosis and treatment options.

Androgen-independent describes cancer cells, often in prostate cancer, that can grow without male hormones called androgens. Early prostate cancers usually need these hormones to grow, but some advanced cancers no longer do. This term helps explain why certain cancers may stop responding to hormone therapy over time. Patients might hear this term during diagnosis, treatment planning, or when discussing hormone therapy options.

Androgen-sensitive prostate cancer is a type of prostate cancer that needs male hormones called androgens, like testosterone, to grow. Treatments that lower or block these hormones can often slow or stop the cancer’s growth. This term helps explain why hormone therapy is commonly used, especially in early stages of prostate cancer.

Androstanolone, also called DHT or dihydrotestosterone, is a hormone made from testosterone in the prostate, testes, and other tissues. It helps develop and maintain male traits like facial hair and muscle growth. In prostate cancer care, high levels of androstanolone may affect cancer growth and treatment. Patients may see this term in test results, treatment plans, or discussions about hormone therapies.

An anecdotal report is a brief, informal description of one or a few patients’ medical or treatment experiences. These reports are not detailed scientific studies and don’t provide strong proof about treatments or outcomes. In cancer care, anecdotal reports may offer early observations but should be understood as limited information rather than reliable evidence.

Anemia is a condition where your body has fewer red blood cells than normal. Red blood cells carry oxygen to your tissues, so anemia can cause tiredness, dizziness, and shortness of breath. It is common in people with cancer, especially during treatment, and understanding it can help you recognize symptoms and talk with your healthcare team about care options.

Anesthesia is medicine used to block pain or awareness during medical procedures. It can numb a small area, a larger part of the body, or cause deep sleep. In cancer care, anesthesia helps keep patients comfortable during surgeries, biopsies, and other treatments. Knowing about anesthesia can help you feel more prepared and ask questions about your care.

An anesthesiologist is a specially trained doctor who gives medicines to prevent or relieve pain during surgery or other medical procedures. In cancer care, they help keep patients comfortable and safe during treatments that may cause pain or require sedation. You may hear this term when preparing for surgery or discussing pain management with your care team.

An anesthetic is a medicine that blocks pain or awareness during medical procedures. It can numb a small area, a larger part of the body, or cause deep sleep. In cancer care, anesthetics help keep you comfortable and pain-free during tests, surgeries, or treatments. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Anetholtrithione is a substance being studied for its possible use in cancer treatment. It is not a standard therapy but may appear in research or clinical trials. Knowing about it can help patients and caregivers understand discussions about new or experimental cancer treatments. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Aneuploidy is when cells have an unusual number of chromosomes, either too many or too few. Normally, human cells have 46 chromosomes. Aneuploidy can be seen in some health conditions, including cancer, and may affect how cells grow and behave. You might hear this term during tests or treatment discussions related to cancer.

Angelica Root is the root of plants in the Angelica herb family, traditionally used to help with digestive problems like loss of appetite and gas. In cancer care, it may be mentioned as a natural supplement to support digestion or appetite but is not a standard cancer treatment. Understanding its role can help patients and caregivers discuss its use safely with their healthcare team.

Angiocept (also called CT-322) is an experimental cancer treatment that works by blocking a protein called VEGFR-2. This protein helps tumors grow new blood vessels, which they need to get oxygen and nutrients. By stopping blood vessel growth, Angiocept aims to slow or stop tumor growth. It is still being studied and is not yet a standard cancer treatment.

An angiofibroma is a noncancerous growth made of blood vessels and connective tissue. It often appears as small, red bumps on the face, especially around the nose and cheeks. These benign growths are common in people with tuberous sclerosis, a genetic condition. While angiofibromas are not cancer, knowing about them can help patients understand skin changes and avoid unnecessary worry.

Angiofollicular lymph node hyperplasia, also called Castleman disease, is a rare condition where noncancerous growths form in lymph nodes. It can affect one area or multiple areas of lymph nodes. Sometimes it causes no symptoms, but it can also lead to immune system problems and other health issues. Knowing about this condition helps patients understand their diagnosis and care.

Angiogenesis is the natural process of growing new blood vessels. In cancer, tumors use angiogenesis to get oxygen and nutrients needed to grow and spread. Some cancer treatments work by blocking this blood vessel growth to slow tumor growth. You might hear this term during diagnosis, treatment planning, or when discussing certain medicines called angiogenesis inhibitors.

An angiogenesis inhibitor is a medicine that helps slow or stop cancer growth by blocking the formation of new blood vessels. Tumors need these blood vessels to get oxygen and nutrients to grow. These drugs are part of cancer treatment plans but do not cure cancer. They work by cutting off the tumor’s blood supply to control its growth and spread.

An angiogram is a special imaging test that uses X-rays or computer scans with a dye to create clear pictures of your blood vessels. It helps doctors find problems like blockages, bulges, or tumors in vessels. Angiograms are often used in cancer care to understand how tumors affect blood flow and to guide treatment decisions.

Angiography is a medical test that uses X-rays and a special dye to create pictures of blood vessels. It helps doctors see how blood flows through arteries and veins. In cancer care, angiography can show how tumors affect nearby blood vessels and help guide diagnosis and treatment. Seeing the term doesn’t always mean there is a problem; it is a tool to provide important information about blood flow.

Angioimmunoblastic T-Cell Lymphoma is a rare, fast-growing cancer that starts in T-cells, a type of immune cell. It mainly causes swollen lymph nodes and changes in the blood, such as increased antibodies. Symptoms can include fever, weight loss, night sweats, and skin rash. Understanding this lymphoma helps patients and caregivers recognize its role in diagnosis and treatment planning.

Angiolymphoid hyperplasia with eosinophilia is a rare, non-cancerous growth made of small blood vessels and certain white blood cells. It usually appears as pink or red bumps on the skin, often on the head, but can also occur in other parts of the body like bone. Though not cancer, it can cause discomfort and may come back after treatment.

An angiomyolipoma is a noncancerous tumor made of fat, muscle, and blood vessels, most often found in the kidney. These tumors usually cause no symptoms but can sometimes bleed or grow large enough to cause pain or affect kidney function. They are more common in people with a genetic condition called tuberous sclerosis, which causes benign tumors in various organs.

Angioplasty is a medical procedure that opens narrowed or blocked blood vessels, often caused by plaque buildup. It helps improve blood flow and may be used in cancer care if tumors or treatments affect blood vessels. Patients might hear about angioplasty during tests, treatment plans, or imaging reports related to blood flow issues.

Angiosarcoma is a rare cancer that starts in the cells lining blood vessels or lymph vessels. It can develop in many parts of the body, including the skin and organs. Angiosarcoma is a type of soft tissue sarcoma, a group of cancers that begin in tissues like muscle, fat, and nerves. Understanding this term helps patients recognize their diagnosis and treatment options related to cancers of blood or lymph vessels.

Angiostatin is a protein naturally made by the body and also produced in labs. It is being studied as a way to slow or stop cancer growth by blocking the formation of new blood vessels that tumors need to grow. Angiostatin belongs to a group called antiangiogenesis agents, which aim to cut off a tumor’s blood supply and may help in cancer treatment research.

An angiotensin-converting enzyme inhibitor, or ACE inhibitor, is a medicine that helps lower high blood pressure by relaxing blood vessels. In cancer care, managing blood pressure is important because some treatments can affect the heart and blood vessels. You might hear this term during your cancer treatment or see it in your health records as part of overall health management.

Angiozyme, also called RPI, is a lab-made molecule studied as a cancer treatment. It works by blocking a protein (VEGFR) that tumors need to grow new blood vessels. This may help slow tumor growth by cutting off their blood supply. Angiozyme is still experimental and not a standard treatment. It may also appear under related names such as RPI.

Artificial Nutrition and Hydration (ANH) means giving food and fluids through tubes when someone cannot eat or drink by mouth. It is often used in cancer care when illness or treatment affects a person’s ability to get enough nutrition. ANH can be given through veins, under the skin, or directly into the stomach or intestines to help maintain strength and support recovery.

Anhidrosis, also called hypohidrosis, is a rare condition where the body produces little or no sweat. It can affect the whole body or just a small area. This may happen due to skin damage from burns, radiation, infections, or certain medicines. Anhidrosis affects the body’s ability to cool down and can be important to know about during cancer care.

Anhydrovinblastine is a chemotherapy drug that belongs to a group called mitotic inhibitors. It works by stopping cancer cells from dividing and growing. You might see this term in treatment plans, medication lists, or clinical trial information. Understanding it can help you follow your care and ask questions about your treatment options.

Anidulafungin is a medicine that treats fungal infections. It belongs to a group called antifungals. In cancer care, it helps protect patients whose immune systems may be weak from fungal infections. You might hear this term during treatment talks or in medical reports about infection prevention. It does not mean cancer or other infections.

An animal model is an animal that has a disease similar to one found in humans. Scientists use these animals to study how diseases develop and to test new treatments safely before trying them in people. In cancer research, animals may be given human cancer cells to help researchers learn more about tumors and find better therapies.

An animal study is a research test done in a lab using animals to learn about diseases like cancer and how they grow. These studies help researchers check if new treatments might be safe and effective before trying them in people. Hearing about animal studies means research is still early, and the treatment is not yet proven or approved for use in humans.

Animal-assisted therapy, also called pet-facilitated therapy, uses trained animals like dogs to help improve the physical and emotional well-being of people with health conditions such as cancer. It can provide comfort, reduce stress, and ease pain during cancer treatment. This therapy supports medical care but does not replace standard cancer treatments.

Aniridia is a rare condition where a person is born without part or all of the iris, the colored part of the eye. It usually affects both eyes and can cause vision problems and sensitivity to light. While not a cancer, aniridia may be mentioned in medical records when doctors consider eye health or genetic factors that could influence cancer care.

Anktiva (also called nogapendekin alfa inbakicept) is a medicine used with BCG therapy to treat certain bladder cancers that have not spread into the muscle. It helps boost the immune system’s ability to fight cancer cells and is given directly into the bladder. Anktiva is often used when bladder cancer has not improved after BCG treatment alone.

ANKTIVA (N-803) Plus BCG is a treatment for non-muscle invasive bladder cancer (NMIBC) that has not responded to BCG therapy alone. It combines an immune-boosting drug called N-803 with BCG to help the immune system better fight cancer cells. This treatment is given directly into the bladder and is managed by cancer specialists as part of standard care.

ANKTIVA (N-803) plus BCG is a treatment for non-muscle invasive bladder cancer (NMIBC) that has not responded to BCG alone. It combines a new immune-boosting drug with standard BCG therapy to help the immune system better fight cancer. Given directly into the bladder, this treatment has helped many patients clear their cancer and avoid bladder removal surgery, with mostly mild side effects.

ANLL, also called acute myeloid leukemia (AML), is a fast-growing cancer where immature white blood cells called myeloblasts build up in the bone marrow and blood. These cells crowd out healthy blood cells, causing symptoms like fatigue, infections, and easy bleeding. Without treatment, ANLL can worsen quickly and spread to other parts of the body. Early diagnosis and treatment are important to manage this serious condition.

Annamycin is a drug being studied to treat cancer. It belongs to a group called anthracycline antibiotics, which are medicines that work by interfering with cancer cell growth. While not yet a standard treatment, annamycin may be mentioned during discussions about clinical trials or new therapy options. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Graviola, also called Soursop or Annona muricata, is a tropical plant used in traditional herbal medicine. It contains natural compounds studied for possible anticancer effects in laboratory research. However, there is no strong evidence that it treats cancer in people. If you are considering Graviola during cancer care, talk with your healthcare team to ensure safety and avoid interfering with standard treatments.

Anorexia in cancer care means losing your appetite or not feeling hungry like usual. It can happen because of the cancer itself or its treatments. This loss of appetite is different from the eating disorder called anorexia nervosa. Knowing what anorexia means can help you and your care team manage symptoms and plan your nutrition and treatment better.

Anorexia nervosa is a serious eating disorder where a person has a strong fear of gaining weight and refuses to keep a healthy body weight. It involves a distorted view of one’s body and eating very little. In cancer care, this condition can affect nutrition and overall health during treatment, making it important to recognize and address.

Anoscopy is a simple, quick exam where a small, lighted tube called an anoscope is gently inserted into the anus and lower rectum. It helps doctors look for problems like hemorrhoids, tears, or unusual growths. Sometimes tissue samples are taken to check for signs of disease, including early cancer. This procedure is usually done in a doctor’s office and helps guide diagnosis and treatment.

The autonomic nervous system (ANS) controls automatic body functions like heart rate, digestion, and sweating. It works without you having to think about it, helping your body relax or respond to stress. In cancer care, the ANS may be mentioned because cancer or its treatments can affect these automatic functions, causing symptoms or side effects related to internal organs and glands.

Ansamycin is a type of anticancer drug that belongs to a group called antineoplastic antibiotics. These medicines come from natural sources and are used to help stop cancer cells from growing and dividing. You might hear this term when discussing cancer treatments, test results, or clinical trials. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An antagonist is a substance, often a medicine, that blocks or stops the effect of another substance in the body. In cancer care, antagonists can help slow or stop cancer growth by interfering with signals cancer cells need. Understanding antagonists can help patients follow their treatment and ask informed questions about their care.

Antenatal, also called prenatal, refers to the time during pregnancy before a baby is born. It relates to care, tests, and health monitoring during pregnancy. In cancer care, this term helps describe when treatments or tests happen for pregnant women. Seeing antenatal in your medical information means it concerns the pregnancy period, not necessarily a problem or complication.

Anterior is a medical term that means toward the front of the body or a body part. In cancer care, it helps describe where a tumor or treatment area is located, such as the front of the chest or abdomen. Understanding this term can help patients and caregivers follow medical reports and discussions about diagnosis and treatment.

Anterior mediastinotomy, also called the Chamberlain procedure, is a surgical method where a small tube is inserted through a cut near the breastbone to access tissues and lymph nodes between the lungs and heart. It is mainly used to take tissue samples from lymph nodes on the left side of the chest to help doctors diagnose or stage cancers like lymphoma or lung cancer.

The anterior mediastinum is the front part of the chest between the lungs, also called the prevascular space. This area contains important structures like the thymus gland and lymph nodes. It is important in cancer care because certain tumors can develop here. You might hear this term in medical reports or scans. Knowing what it means can help you understand your diagnosis and treatment better.

Anterior pelvic exenteration is a major surgery that removes several organs in the lower front part of the pelvis, including the bladder, uterus, cervix, vagina, urethra, and parts of the tubes carrying urine. It is sometimes used to treat advanced cancers in this area when less extensive treatments are not enough.

Anterior urethral cancer is a rare type of cancer that starts in the front part of the urethra, the tube that carries urine out of the body. This cancer affects the area near the urinary opening and can cause symptoms like pain, bleeding, or difficulty urinating. Knowing the exact location helps doctors plan tests and treatments tailored to this part of the urinary tract.

Anthracenedione is a type of chemotherapy drug that belongs to a group called anticancer antibiotics. These medicines help treat certain cancers by interfering with cancer cells’ growth and division. You might hear this term when discussing treatment options or reading about cancer medicines. Knowing what anthracenedione means can help you better understand your care and ask informed questions.

Anthracyclines are a group of chemotherapy medicines made from bacteria that treat many types of cancer. They work by damaging the DNA inside cancer cells, which helps stop the cancer from growing. Common drugs in this group include doxorubicin, daunorubicin, and epirubicin. You may hear about anthracyclines during treatment discussions or see them listed in your care plan.

Anthraquinone refers to a group of chemotherapy drugs used in cancer treatment. These medicines work by slowing or stopping the growth of cancer cells. Knowing about anthraquinones can help you understand your treatment plan and the types of drugs your care team might use to fight cancer. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An Anti-Angiogenic Diet is a way of eating that focuses on foods thought to help slow or block the growth of new blood vessels that tumors need to grow. Some people explore this diet to support cancer prevention, treatment, or symptom relief. It is not a proven cancer treatment and should be discussed with your healthcare team before use.

An Anti-Cancer Diet refers to eating plans linked to cancer care that aim to support nutrition, reduce inflammation, aid digestion, boost the immune system, or improve treatment tolerance. While some see these diets as part of cancer prevention or recovery, their safety and effectiveness vary. It’s important to discuss any special diet with your healthcare team before starting it.

Anti-Candida diets are eating plans sometimes discussed in cancer care to help support digestion, immune health, and treatment tolerance. They aim to reduce the growth of Candida yeast, which some believe may affect symptoms or inflammation during cancer treatment. These diets are not standard cancer treatments and should only be used with guidance from your healthcare team.

Anti-CCR2 Monoclonal Antibody MLN1202, also called MLN1202, is an experimental medicine being studied to treat cancers that spread to the bones and conditions like atherosclerosis. It works by targeting a protein called CCR2 found on certain bone cells, immune cells, and cancer cells. Researchers hope it may help slow cancer growth in bones by blocking signals that support cancer spread.

An anti-CD19 immunotoxin is a laboratory-made medicine that combines an antibody with a toxin to target and kill B cells carrying the CD19 protein. It is being studied as a treatment for some B-cell cancers, aiming to attack cancer cells while sparing healthy cells. This therapy is experimental and may be mentioned during discussions about new or clinical trial options.

Anti-CD22 immunotoxin is a lab-made medicine that combines an antibody with a toxin to target CD22, a protein found on certain immune cells and some B-cell cancers. It attaches to these cells and delivers a toxic substance to kill them. This treatment is still being studied and is not yet a standard therapy.

An anti-CD38 monoclonal antibody is a lab-made medicine that targets a protein called CD38 found on some blood cells and certain cancer cells, especially in multiple myeloma. It helps the immune system recognize and attack these cancer cells. This treatment is used mainly for multiple myeloma and is being studied for other cancers.

Anti-CD45 monoclonal antibody is a lab-made protein designed to attach to CD45, a protein found on many blood cells and some leukemia and lymphoma cancer cells. It is being studied to help the immune system better recognize and attack certain blood cancers. This treatment is still experimental and may be available only in clinical trials or specialized care.

Anti-CEA antibodies are special proteins made to recognize carcinoembryonic antigen (CEA), a protein found on some cancer cells. Doctors use these antibodies to help detect, study, or sometimes target cancers like colorectal or lung cancer. Knowing about anti-CEA antibodies can help you understand tests or treatments that involve finding or working with CEA in your care.

Anti-EpCAM-Pseudomonas-Exotoxin fusion protein, also called Proxinium or VB4-845, is an experimental targeted treatment studied for some head and neck cancers. It combines an antibody fragment that attaches to a protein called EpCAM on cancer cells with a bacterial toxin that may help kill those cells. This approach aims to attack cancer cells while sparing most normal cells. It is not yet a standard treatment and is mainly available through clinical trials.

Anti-GD2 therapy is a type of immunotherapy that helps the immune system find and attack cancer cells with a marker called GD2. This marker is often found on certain cancers like neuroblastoma. The treatment uses special antibodies that stick to GD2, guiding the immune system to destroy those cancer cells. It is mainly used to help control cancers that have this marker.

Anti-HGF Monoclonal Antibody AMG 102, also called AMG 102, is an experimental cancer treatment. It is a lab-made protein that attaches to hepatocyte growth factor (HGF), a protein some cancers use to grow. By blocking HGF, AMG 102 may help slow or stop cancer growth. It is still being studied and is not yet a standard treatment.

An anti-idiotype vaccine is a special type of vaccine made from antibodies that target other antibodies. In cancer care, it helps the immune system recognize and fight tumor cells by encouraging the body to produce its own antibodies against cancer. It is sometimes discussed in treatment plans or clinical trials involving immune-based therapies.

Anti-IGF1R recombinant monoclonal antibody MK-0646, also called MK-0646, is a lab-made protein being studied to treat some cancers. It works by attaching to a protein on cells that helps them grow, which may stop cancer cells from growing or cause them to die. MK-0646 is still experimental and not yet a standard cancer treatment.

Anti-IL-6 chimeric monoclonal antibody is a medicine that targets a protein called interleukin-6 (IL-6), which is involved in inflammation and some diseases. It is mainly used to treat a rare condition called multicentric Castleman disease in people without HIV or human herpesvirus 8. This drug is also being studied for certain cancers and other health problems. It is also known as siltuximab or Sylvant.

Anti-inflammatory refers to medicines or substances that help reduce inflammation, which is the body’s natural response to injury or irritation. In cancer care, managing inflammation can ease symptoms like pain or swelling and improve comfort during treatment. Anti-inflammatory does not mean a cure but relates to controlling redness, swelling, or irritation caused by cancer or its treatments.

An anti-inflammatory agent is a medicine or substance that helps reduce inflammation, which causes redness, swelling, and pain. These agents work by blocking chemicals that trigger inflammation. They are used for many health conditions and may be part of symptom management in cancer care. Understanding this term can help patients follow their treatment plans and discuss symptom relief with their healthcare team.

An Anti-Inflammatory Diet is a way of eating that focuses on foods thought to reduce inflammation in the body. Some people explore this diet during cancer care to support nutrition, digestion, and immune health. However, its role in cancer treatment or prevention is not fully proven. Always talk with your healthcare team before making diet changes to ensure they fit safely with your treatment plan.

Anti-Mesothelin Monoclonal Antibody Morab-009, also called amatuximab, is an experimental lab-made protein being studied to treat mesothelioma, a cancer of the lining around the lungs or abdomen. It targets a protein called mesothelin found on some cancer cells, potentially helping the immune system attack them. This treatment is not yet standard and is mainly available through clinical trials.

Anti-Mullerian Hormone (AMH) is a hormone made by the ovaries in women and the testicles in men. It helps develop reproductive organs and controls egg growth in women. Measuring AMH levels can provide information about fertility, ovarian health, and some medical conditions, including certain ovarian tumors, which may be important in cancer care.

Anti-seizure medications, also called anticonvulsants or antiepileptics, are drugs used to prevent or treat seizures by calming abnormal electrical activity in the brain. While often prescribed for epilepsy, they can also help with nerve pain, migraines, or mood disorders. In cancer care, these medicines may be used if seizures occur or to manage related symptoms caused by tumors or treatments.

Anti-TGF-Beta Monoclonal Antibody GC1008, also called fresolimumab, is an experimental medicine being studied to treat cancers such as breast cancer that has spread. It works by targeting a protein called TGF-beta on some cancer cells, aiming to slow cancer growth and stop tumors from making new blood vessels. It is not yet a standard treatment and is mainly available through clinical trials.

Anti-TRAIL R1-Mab, also called mapatumumab or HGS-ETR1, is a laboratory-made protein designed to attach to a protein called TRAIL R1 found on some cancer cells. It is being studied in clinical trials as a possible treatment to help kill these tumor cells. This therapy is experimental and not yet a standard cancer treatment.

Anti-TRAIL R2 Mab HGS-ETR2, also called lexatumumab, is an experimental lab-made protein designed to attach to a protein on some cancer cells called TRAIL-R2. By binding to this protein, it may help kill cancer cells. This treatment is still being studied and is not yet part of standard cancer care.

An anti-VEGFR monoclonal antibody is a medicine that targets VEGF receptors on some cancer cells. By blocking these receptors, it may help stop tumors from growing new blood vessels they need to survive. This treatment is part of a group called antiangiogenesis agents and is used or studied to slow tumor growth in certain cancers.

Anti-VEGFR-2 fully human monoclonal antibody IMC-1121B, also called ramucirumab or Cyramza, is a targeted cancer drug that helps block the growth of new blood vessels tumors need to grow. It is used alone or with other treatments for cancers such as lung, liver, colorectal, and stomach cancers. It may also appear under related names such as Cyramza, IMC-1121B, And Ramucirumab.

Antiandrogens are medicines that block male hormones called androgens from working in the body. These hormones can help some prostate cancers grow. Antiandrogens are often used in prostate cancer treatment to slow or stop cancer growth. You might hear this term during doctor visits, in treatment plans, or when learning about hormone therapy options.

Antiandrogen therapy is a treatment that uses medicines to block male hormones called androgens, such as testosterone, from helping certain cancers grow. It is mainly used for prostate cancer, which often needs these hormones to grow. This therapy helps slow cancer growth by stopping hormones from attaching to cancer cells.

Antiangiogenesis means stopping the growth of new blood vessels. In cancer care, this is important because tumors need blood vessels to get oxygen and nutrients to grow and spread. Treatments that block blood vessel growth, called angiogenesis inhibitors, can help slow cancer growth. You might hear this term during treatment discussions or in medical reports. It does not mean the cancer is cured but is part of managing the disease.

An antiangiogenesis agent is a medicine that helps slow or stop cancer growth by blocking the formation of new blood vessels. Tumors need these blood vessels to get oxygen and nutrients. These drugs are part of a treatment plan to control cancer but do not cure it on their own. You might hear this term when discussing cancer medicines or treatment options.

Antiangiogenic means stopping or slowing the growth of new blood vessels. In cancer care, this is important because tumors need blood vessels to get oxygen and nutrients to grow and spread. Treatments that block blood vessel growth, called angiogenesis inhibitors, can help slow cancer growth. You might hear this term during treatment discussions or in medical reports. It helps doctors plan and monitor cancer care but does not mean a cure by itself.

An antianxiety agent, also called an anxiolytic, is a medicine used to ease feelings of fear, worry, or muscle tension that can happen during stressful times, including cancer care. These medicines work by calming certain chemicals in the brain and nervous system. They help reduce anxiety symptoms but do not treat cancer itself. Antianxiety agents support emotional well-being during diagnosis, treatment, or recovery.

Antiapoptotic means preventing cells from dying through a natural process called apoptosis. In cancer, some cells avoid this cell death, which can help tumors grow and resist treatment. Patients may hear this term in test results or treatment discussions. It describes how cancer cells behave but doesn’t always mean the cancer is more dangerous or untreatable.

Antibacterial refers to substances that kill bacteria or stop them from growing. In cancer care, these substances help prevent or treat infections, which patients may be more vulnerable to during treatment. The term can relate to medicines, skin products, or cleaning agents used to reduce bacteria and protect health during cancer treatment.

An antibiotic is a medicine used to treat infections caused by bacteria and some other tiny germs. In cancer care, antibiotics help prevent or treat infections when the immune system is weak. They do not treat cancer itself but support your health by managing infections during treatment. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An antibody is a protein made by certain white blood cells to recognize and help destroy harmful substances called antigens. In cancer care, antibodies may help the immune system target cancer cells or be part of treatments. Patients might hear about antibodies in test results, treatment plans, or drug information. Understanding antibodies can help you follow your care more confidently.

Antibody therapy is a cancer treatment that uses special lab-made proteins called antibodies to target cancer cells. These antibodies attach to specific parts of cancer cells, helping the immune system find and destroy them or blocking tumor growth. It is a targeted approach that may be part of your treatment plan or tests, offering a way to fight cancer more precisely than some other treatments.

Antibody-Dependent Cell-Mediated Cytotoxicity (ADCC) is a natural immune process where certain white blood cells kill harmful cells or microbes marked by antibodies. This helps the body fight infections and can support cancer treatments that use antibodies to target cancer cells. Patients may hear about ADCC when learning how their immune system or therapies work.

Antibody-Dependent Cellular Cytotoxicity (ADCC) is a natural immune process where certain white blood cells kill harmful cells or microbes marked by antibodies. This helps the body fight infections and can support cancer treatments that use antibodies to target cancer cells. Patients may hear about ADCC when learning how their immune system or therapies work.

An antibody-drug conjugate (ADC) is a special cancer medicine that links an antibody to a drug. The antibody finds and attaches to certain proteins on cancer cells, delivering the drug directly to them. This targeted approach aims to kill cancer cells while causing less harm to healthy cells. ADCs are used in some cancer treatments and may be mentioned in your care plan or test results.

Anticachexia refers to treatments or effects that help prevent or reverse cachexia, a condition where people lose weight and muscle mass, often seen in cancer. These treatments aim to support strength and improve quality of life during illness. You might hear this term when doctors discuss managing weight loss or muscle wasting as part of cancer care.

Anticancer antibiotics are medicines used to treat cancer by stopping cancer cells from growing. They work by interfering with the DNA inside cells, which carries genetic instructions. Sometimes called antineoplastic or antitumor antibiotics, these drugs are part of cancer treatment plans and may be mentioned in your medical reports or discussions with your care team.

Anticancer therapy includes treatments used to stop or prevent cancer from growing or spreading. Common types are chemotherapy, radiation, surgery, and immunotherapy. This term helps patients and caregivers understand the different ways cancer can be treated and is often mentioned during doctor visits, in medical reports, or when discussing treatment options.

Anticarcinogenic means anything that helps prevent or slow down cancer from developing. This term is often used when talking about foods, medicines, or lifestyle choices that may lower cancer risk. It highlights ways to protect health by reducing the chance of cancer starting or growing, but it does not guarantee prevention or cure.

Anticipatory nausea and vomiting (ANV) are feelings of sickness or vomiting that happen before a chemotherapy session starts. These symptoms are triggered by memories or sensory reminders of past treatments, like the smell of medical supplies or the sight of the treatment room. ANV can affect how patients feel about upcoming treatments and may be managed with medicines or relaxation techniques.

An anticoagulant, often called a blood thinner, is a medicine that helps prevent or treat blood clots in your veins, arteries, or heart. These medicines are important in cancer care because cancer and some treatments can increase the risk of clots. Anticoagulants help keep blood flowing smoothly but don’t actually thin the blood like water.

Anticonvulsants, also called anti-seizure medications or antiepileptics, are drugs used to prevent or treat seizures by calming abnormal electrical activity in the brain. While often prescribed for epilepsy, they can also help with nerve pain, migraines, or mood disorders. In cancer care, these medicines may be used to manage seizures caused by brain tumors or to ease related symptoms.

Antidepressants are medicines used to help treat depression and improve mood. In cancer care, they may also be used to manage emotional health, pain, or sleep problems. Seeing the term doesn’t always mean depression is present, but it can be part of supporting well-being during diagnosis, treatment, or recovery. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An antidiarrheal is a medicine or substance used to help stop diarrhea, which means having frequent, loose, or watery bowel movements. In cancer care, diarrhea can happen due to treatments or the illness itself, so antidiarrheals may be part of managing symptoms. Understanding this term can help you talk with your care team about managing diarrhea during your cancer journey.

Antidiuretic hormone (also called vasopressin or arginine vasopressin) is a natural hormone made in the brain that helps your kidneys control water balance and your blood vessels tighten to regulate blood pressure. In cancer care, some tumors may produce too much of this hormone, which can affect your body’s salt and water levels. You might hear this term during tests, reports, or treatment discussions.

Antiemetics are medicines used to prevent or reduce nausea and vomiting, common side effects of cancer treatments like chemotherapy and radiation. They help patients feel more comfortable and better able to continue treatment. Antiemetics include different types of drugs that work in various ways to control these symptoms and are often part of supportive care plans.

Antiepileptic drugs, also called anti-seizure medications or anticonvulsants, are medicines used to prevent or treat seizures by calming abnormal electrical activity in the brain. While often prescribed for epilepsy, they can also help with nerve pain, migraines, or mood disorders. In cancer care, these drugs may be used to manage seizures caused by brain tumors or side effects of treatment.

An antiestrogen, also called an estrogen blocker, is a substance that stops cells from making or using estrogen, a hormone important in female development and reproduction. Antiestrogens are often used to prevent or treat breast cancer by slowing or stopping the growth of cancer cells that need estrogen. They may also be studied for other cancers.

An antifibrinolytic agent is a medicine that helps blood form and keep clots by stopping the breakdown of fibrin, a key protein in clots. These drugs are used to prevent or control serious bleeding, especially during surgery or in conditions that cause heavy bleeding. In cancer care, they may help manage bleeding caused by tumors or treatments affecting blood vessels.

Antifolates are medicines that block cells from using folic acid, a vitamin needed to make DNA. By interfering with this process, antifolates can help stop cancer cells from growing and dividing. These drugs are sometimes used in cancer treatment plans and may also treat other health conditions. Knowing about antifolates can help patients understand their role in therapy and what to expect during care.

Antifungal drugs are medicines used to treat infections caused by fungi. In cancer care, these medicines help prevent or treat fungal infections, which can happen more easily when the immune system is weak. Antifungal treatments come in pills, creams, or injections and are different from antibiotics or antiviral drugs. You might hear the term antifungal during your cancer treatment or in your medical records.

An antigen is any substance that triggers your immune system to respond. These can be germs like bacteria or viruses, chemicals, or parts of your own cells, including cancer cells. Doctors use antigens to help identify and track cancer, guide treatment, and monitor how your body reacts during care. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An antigen-presenting cell (APC) is a type of immune cell that helps the body recognize and fight infections or abnormal cells, including cancer. It does this by showing pieces of harmful substances, called antigens, on its surface to alert other immune cells. Understanding APCs can help patients learn how the immune system works during cancer diagnosis and treatment.

An antigen-presenting cell vaccine (APC vaccine) is a treatment that uses special immune cells combined with pieces of cancer markers to help the body’s immune system recognize and fight cancer. It is sometimes used in cancer care to boost the immune response, often as part of experimental or personalized therapies.

The antiglobulin test, also called the Coombs test, is a blood test that looks for antibodies attached to red blood cells or platelets. It helps find immune reactions that may cause the body to destroy its own blood cells. This test is sometimes used in cancer care to understand or monitor blood problems related to cancer or its treatments.

Antihistamines are medicines that block histamines, chemicals your body releases during allergic reactions. They help reduce symptoms like itching, sneezing, runny nose, and watery eyes. In cancer care, antihistamines may be used to prevent or treat allergic reactions from treatments or blood transfusions, helping patients stay comfortable and safe. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Antihormone therapy is a cancer treatment that blocks hormones some tumors need to grow. It may use medicines, surgery, or radiation to lower hormone levels or stop their effects. This therapy is often used for hormone-sensitive cancers like certain breast and prostate cancers and is part of many treatment plans.

Antihypertensive agents are medicines used to lower high blood pressure. They work by removing extra salt and fluid, relaxing blood vessels, or slowing the heartbeat. Managing blood pressure is important for overall health and can help support cancer treatment and reduce risks during care. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Antilymphocyte globulin is a medicine made from blood serum containing antibodies that target T cells, a type of immune cell. It is used before stem cell transplants to lower the risk of graft-versus-host disease (GVHD), after kidney transplants to help prevent organ rejection, and to treat GVHD if it occurs. This medicine helps manage the immune system during transplant care.

An antimetabolite is a type of medicine used in cancer treatment that looks like natural substances in the body but works by interfering with how cells grow and divide. These drugs help slow or stop cancer cells from multiplying. Antimetabolites are often part of chemotherapy and can affect some normal cells, which may cause side effects during treatment.

An antimicrobial is a medicine or substance that kills or stops the growth of tiny germs like bacteria or mold that can cause infections. In cancer care, antimicrobials help prevent or treat infections when the immune system is weak. You might hear this word during your treatment or see it in your medical records. It doesn’t always mean you have an infection but is important for keeping you safe during cancer therapy.

Antimicrotubule agents are cancer drugs that work by stopping cells from dividing. They target tiny structures inside cells called microtubules, which help cells split during growth. These drugs are often part of chemotherapy to slow or stop tumor growth. You might hear this term in treatment discussions or see it in your medical records.

An antimitotic agent, also called a mitotic inhibitor, is a type of cancer drug that works by stopping cells from dividing. These drugs help slow or stop the growth of cancer by blocking the process of cell division. You may hear this term when discussing chemotherapy or treatment plans. Understanding it can help you follow your care and ask questions about your treatment.

Antineoplastic refers to treatments or substances that work to stop or slow the growth of abnormal tissue growths, which may become cancer. This term is often used when discussing cancer medications or therapies aimed at controlling or preventing tumors. Understanding antineoplastic helps patients and caregivers follow treatment plans and medical discussions related to cancer care.

Antineoplastic antibiotics are cancer-fighting drugs that work by interfering with the DNA inside cancer cells. This stops the cells from growing and dividing. Though called antibiotics, these medicines are not used to treat infections but to help control cancer. You might hear these drugs called anticancer or antitumor antibiotics during treatment discussions or in your care plan.

Antineoplastons are chemical compounds originally found in human blood and urine that have been studied as experimental treatments for some cancers. Made in laboratories for research, they are not approved by the U.S. Food and Drug Administration (FDA) for any disease. Patients may hear about antineoplastons during discussions of clinical trials or alternative therapies, but their safety and effectiveness remain uncertain.

Antineoplaston therapy is an experimental cancer treatment using lab-made substances originally found in human blood and urine. Developed by Dr. Stanislaw Burzynski, it is not approved by the FDA and lacks strong scientific proof of effectiveness. Patients may hear about it in clinical trials or alternative treatment discussions but should know it is not part of standard cancer care and is still being studied.

An antioncogene, also called a tumor suppressor gene, is a gene that helps control how cells grow and divide. These genes produce proteins that act like brakes to keep cell growth in check and prevent uncontrolled growth. Changes or mutations in these genes can sometimes lead to cancer. You might hear this term during diagnosis, genetic testing, or treatment planning.

Antioxidants are substances that help protect your cells from damage caused by unstable molecules called free radicals. Found naturally in fruits, vegetables, and some vitamins, antioxidants may support your body’s defenses. While they are part of a healthy diet, antioxidants are not a cure or guaranteed way to prevent or treat cancer. Always discuss supplements with your healthcare team before use.

Antioxidant-rich foods include berries, leafy greens, nuts, and herbs that contain natural substances called antioxidants. These foods help protect your cells from damage caused by unstable molecules called free radicals. While they support overall health and nutrition during cancer treatment, they are not a substitute for medical care or cancer therapies.

Antiparasitic drugs are medicines used to treat infections caused by parasites, tiny organisms that can live in or on the body. In cancer care, these drugs may help manage infections or, in some cases, be part of treatment. Patients might see this term in medical reports or treatment plans. Understanding it can help you follow your care and ask your healthcare team informed questions.

An antiprogestin is a substance that blocks the hormone progesterone, which plays a role in the menstrual cycle and pregnancy. These substances may help stop some cancer cells from growing and are being studied for use in breast cancer treatment. Antiprogestins belong to a group called hormone antagonists, which work by interfering with hormone activity in the body.

Antipsychotics are medicines used to treat symptoms like hallucinations, false beliefs, and problems with memory or thinking. They work by changing brain chemicals. In cancer care, these drugs may help manage mental health symptoms or side effects from treatment, improving comfort and quality of life for patients and caregivers. It may also appear under related names such as Antipsychotic Agent, Neuroleptic Agent.

Antipsychotic agents are medicines used to treat symptoms like hallucinations, false beliefs, and problems with memory or thinking. These drugs help manage mental health symptoms that can sometimes occur in people with cancer or other illnesses. You might hear this term during your care, especially if mental health symptoms need attention alongside cancer treatment.

Antiretroviral therapy (ART) is treatment with medicines that stop HIV or similar viruses from multiplying in the body. It helps control the virus and supports the immune system, which is especially important for people with cancer who may have HIV. ART is not a cure but helps manage infections and reduce complications during cancer care.

An antisense agent is a small piece of DNA or RNA designed to attach to specific RNA molecules inside cells. By doing this, it can block the RNA from making certain proteins that cancer cells need to grow. These agents are being studied as a new way to slow or stop cancer growth and may be mentioned in treatment discussions or research studies.

Antisense C-Fos is an experimental substance studied for cancer treatment. It works by blocking a protein called c-fos that helps cells grow. By stopping c-fos, it may slow or kill cancer cells that depend on this protein. This treatment belongs to a group called antisense oligonucleotides, which target specific molecules inside cells to affect their behavior. It is not yet a standard therapy and is still being researched.

Antisense DNA is made of small pieces of DNA designed to attach to specific RNA molecules inside cells. By doing this, it can block the cell’s ability to make certain proteins. In cancer care, antisense DNA is being studied as a way to stop proteins that help cancer cells grow. Patients may hear this term when learning about new treatments or clinical trials.

Antisense oligonucleotides are tiny pieces of DNA or RNA designed to attach to specific RNA molecules inside cells. By blocking these RNA messages, they can stop cancer cells from making proteins needed to grow. These agents are experimental and being studied in clinical trials as a new way to slow or stop cancer growth.

Antisense oligonucleotide therapy is a treatment that uses tiny pieces of DNA or RNA to block specific molecules inside cancer cells. These molecules, called RNA, help cells make proteins. By stopping this process, the therapy aims to slow or stop cancer growth. This approach is still being studied and may be part of clinical trials or future cancer treatments.

Antisense RNA is a small piece of genetic material that can attach to specific RNA in cells to block the production of certain proteins. Researchers are studying it as a way to stop cancer cells from growing by preventing proteins they need. Patients may hear about antisense RNA during discussions of new or experimental cancer treatments or clinical trials.

Antisense therapy is a treatment that uses tiny pieces of genetic material to block specific RNA molecules inside cells. By stopping these RNA messages, it aims to prevent cancer cells from making proteins they need to grow. This approach is still being studied and may be part of clinical trials or future cancer treatments, but it is not yet a standard therapy for most cancers.

Antisocial behavior means acting in ways that ignore the rights of others or break social rules and laws. In cancer care, this term may be used to describe behaviors that affect treatment or support. It does not mean a person is dangerous or uncooperative by default. Understanding the context helps patients and caregivers know how behavior might influence care and communication with the healthcare team.

Antithymocyte globulin is a medicine made from blood serum that contains antibodies targeting T cells, a type of immune cell. It is used before stem cell transplants to lower the risk of graft-versus-host disease, a condition where donor cells attack the body. It can also help prevent organ rejection after kidney transplants and treat graft-versus-host disease if it occurs.

Antituberculosis refers to medicines or treatments that fight tuberculosis (TB), a contagious bacterial infection usually affecting the lungs. In cancer care, this term may come up when doctors check for or treat TB, especially because some cancer treatments can weaken the immune system and increase the risk of infections like TB. Knowing this term helps you understand when TB-related issues are part of your health discussions.

Antitumor refers to anything that helps stop or slow the growth of abnormal cells, especially cancer cells. You may hear this term when discussing treatments, tests, or research aimed at fighting tumors. Understanding antitumor effects can help you follow your care plan and ask informed questions about your diagnosis and treatment options.

Antitumor antibiotics are cancer-fighting drugs that work by interfering with the DNA inside cancer cells. This stops the cells from growing and dividing. Sometimes called anticancer or antineoplastic antibiotics, these medicines are part of many cancer treatment plans. They are different from antibiotics used to treat infections, focusing instead on slowing or stopping cancer cell growth.

Antivirals are medicines that treat infections caused by viruses. In cancer care, they help protect people with weakened immune systems from viral infections that could cause serious health problems. Antivirals are not cancer treatments but support overall health during cancer therapy. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

The anus is the small opening at the end of the digestive tract where stool leaves the body. It controls bowel movements and is important in cancer care because cancers like anal cancer can develop there. Understanding the anus helps patients follow their care plan and communicate clearly with their healthcare team.

Anticipatory nausea and vomiting (ANV) happen before a chemotherapy session starts. They are triggered by memories or sensory reminders like sights, smells, or sounds linked to past treatments. ANV usually develops after several chemotherapy sessions and can affect how patients feel about their care. Understanding ANV helps patients and caregivers manage these symptoms better during cancer treatment.

Anvirzel is a plant extract from the Nerium oleander plant containing oleandrin, a natural compound studied for its effects on cancer cells and viruses. It is experimental and not an approved cancer treatment. Research in labs suggests it may slow cancer cell growth and affect cell death, but its safety and effectiveness for patients are not yet established.

Anxiety is a feeling of worry, fear, or unease that often happens in response to stress. It’s common for people with cancer and can affect how they cope with their diagnosis and treatment. Anxiety may cause physical symptoms like a fast heartbeat or tension. Recognizing and managing anxiety can help improve well-being during cancer care.

Anxiety disorder is a condition where a person experiences intense, ongoing worry or fear that affects daily life. Symptoms can include restlessness, trouble sleeping, a fast heartbeat, and dizziness. In cancer care, anxiety is common and recognizing it helps patients get the support they need to cope better during diagnosis and treatment.

Anxiolysis, also called minimal sedation, is a mild form of sedation that helps you feel calm and relaxed during medical procedures. You usually stay awake and able to respond to questions or instructions. It’s often used in cancer care to reduce anxiety during tests, biopsies, or minor surgeries, making these experiences easier to handle while keeping you alert.

An anxiolytic is a medicine used to ease feelings of anxiety, such as fear, worry, or muscle tension. These drugs work by calming certain chemicals in the brain and nervous system. In cancer care, anxiolytics may help manage stress and emotional challenges during diagnosis and treatment. You might hear this term during doctor visits, in treatment plans, or on medication lists.

An anxiolytic agent is a medicine used to ease feelings of anxiety, such as fear, worry, or muscle tension. These drugs work by calming certain chemicals in the brain and nervous system. People with cancer may use anxiolytics to help manage stress or anxiety related to their diagnosis or treatment. Seeing this term doesn’t always mean a mental health disorder is present.

The aorta is the largest artery in the body. It carries oxygen-rich blood from the heart to all parts of the body. In cancer care, the aorta may be mentioned when tumors or treatments are near this important blood vessel, helping doctors plan safe and effective care. Knowing about the aorta can help you understand your medical reports and ask questions about your treatment.

Aortocoronary bypass, also called CABG or coronary artery bypass grafting, is a surgery that uses a healthy blood vessel from another part of the body to create a new path around a blocked artery to the heart. This helps restore blood flow and brings oxygen and nutrients to the heart muscle. It’s a common treatment for heart artery blockages and may be important in cancer care when heart health needs special attention.

AP23573, also called ridaforolimus, is a drug being studied to treat certain cancers such as soft tissue and bone cancers. It works by blocking signals that help cancer cells grow and divide. This drug belongs to a group called mTOR inhibitors. While it is not yet a standard treatment, it may be offered in clinical trials or research settings for some cancers.

AP5346 is an experimental drug being studied for head and neck cancer. It is a platinum compound designed to deliver anticancer medicine directly into tumors. While it shows promise, AP5346 is still under research and not yet a standard treatment. Patients may hear about it during discussions of clinical trials or new therapies.

Apalutamide (brand name Erleada) is a medicine used to treat certain types of prostate cancer. It works by blocking male hormones that help cancer cells grow. It is used when prostate cancer has spread but still responds to hormone-lowering treatments, or when it has not spread but no longer responds to those treatments.

An APC, or antigen-presenting cell, is a type of immune cell that helps your body recognize and fight infections or cancer. These cells show pieces of harmful substances, called antigens, to other immune cells, helping boost the immune response. You might hear about APCs during cancer care when learning how your immune system works or when treatments involve the immune system.

APC 8015, also called Provenge or sipuleucel-T, is a vaccine treatment for prostate cancer that has spread and no longer responds to hormone therapy. It uses a patient’s own immune cells, changed in a lab to help the body better fight cancer. It is meant for men with few or no symptoms and is not a cure but may help slow cancer growth.

An APC vaccine is a type of cancer treatment that uses special immune cells called antigen-presenting cells combined with cancer markers (antigens) to help the immune system recognize and attack cancer cells. It is often part of experimental or personalized therapies and may be mentioned in clinical trials or treatment plans.

APC8015F is a personalized vaccine made from a patient’s own immune cells to help the body fight prostate cancer. The cells are treated in a lab with a protein found on prostate cancer cells, then frozen for later use. When given back to the patient, this vaccine may help the immune system recognize and attack cancer cells more effectively. It is a type of immunotherapy used in some prostate cancer treatments.

Apheresis is a medical procedure that removes specific parts of your blood, like stem cells or abnormal cells, through a machine. The rest of your blood is returned to your body. It’s often used in cancer care to collect stem cells before a transplant or to help manage blood-related conditions. You might hear this term when your care team discusses treatment or tests involving your blood.

API stands for Active Pharmaceutical Ingredient, the main part of a medicine that makes it work. In cancer care, the API is the chemical that targets cancer cells or helps manage symptoms. It’s important to know that the API is just the active substance, not the whole medicine or its effects. Patients may see this term in drug labels, treatment plans, or clinical trial information.

Apidra, also called insulin glulisine, is a fast-acting insulin medicine used to help control blood sugar levels in people with diabetes. It works quickly when injected under the skin before or shortly after meals. Managing blood sugar is important for overall health, especially for people who have diabetes alongside cancer or who experience blood sugar changes during cancer treatment.

Acute promyelocytic leukemia (APL) is a fast-growing blood cancer where immature blood cells called promyelocytes build up in the bone marrow and blood. It often involves a specific change in chromosomes 15 and 17. Knowing about APL helps guide treatment and monitoring. You may hear this term in medical reports or during discussions with your care team.

Aplastic anemia is a condition where the bone marrow does not make enough new blood cells. This leads to low levels of red blood cells, white blood cells, and platelets, causing symptoms like tiredness, infections, or easy bleeding. It is important in cancer care because some cancers and treatments can affect bone marrow function.

Aplidine is a substance taken from a sea creature that scientists are studying as a possible cancer treatment. It is not yet an approved medicine but is being tested in research settings. Patients may hear about Aplidine during discussions of clinical trials or new therapies, representing ongoing efforts to find better cancer treatments.

An APN, or Advanced Practice Nurse, is a registered nurse with extra education and training to diagnose and treat health problems. In cancer care, APNs work closely with doctors to help manage your care, monitor symptoms, order tests, and support you and your family. Knowing about APNs can help you understand your care team and feel more confident asking questions about your treatment.

Apo-2L, also called TRAIL, is a natural protein in the body that can attach to certain molecules on some cancer cells and may help kill those cells. It is being studied as a possible cancer treatment. Patients might hear this term during discussions about new therapies or clinical trials and understanding it can help them follow their care and ask informed questions.

Apocrine glands are special sweat glands found in areas like the armpits, groin, breast, eyelids, and ears. They produce thicker secretions that can have a scent, such as sweat in the armpits or earwax in the ears. These glands may be mentioned in cancer care when doctors examine breast or skin tissue near them.

Apolizumab is an experimental medicine studied for certain blood cancers. It is a lab-made antibody that attaches to a protein called ID10 on some immune and cancer cells. By binding to this protein, it may help the immune system recognize and attack cancer cells. Apolizumab is not yet a standard treatment and is only available in clinical trials.

Apoptosis, also called programmed cell death, is a natural process where cells follow a set of steps to die when they are no longer needed or are abnormal. This helps keep the body healthy by removing damaged cells. In cancer, this process can be blocked, allowing unhealthy cells to survive and grow. Understanding apoptosis can help explain how some treatments work and why cancer cells behave differently.

An appendage is a body part like an arm, leg, finger, or toe that is attached to the main part of the body. In cancer care, knowing this term helps you understand where tumors are located or where treatments may be focused. It’s a general word used to describe these attached parts and does not by itself mean there is a problem.

An appendectomy is surgery to remove the appendix, a small pouch attached to the large intestine. It is most often done when the appendix is inflamed or infected. While not a cancer treatment, appendectomy may be part of cancer care if the appendix or nearby areas are involved. Understanding this term can help patients follow their treatment and medical reports more clearly.

The appendix is a small, finger-shaped pouch attached to the first part of the large intestine near where the small intestine ends. While it is best known for appendicitis, the appendix can also be involved in rare types of cancer. Knowing about the appendix can help patients understand medical reports, treatment plans, and discussions related to their digestive health or cancer care.

Appetite is the natural desire to eat or satisfy other needs like comfort or pleasure. In cancer care, appetite often changes, which can affect nutrition and weight. Understanding appetite helps patients and caregivers manage eating challenges during treatment and communicate better with their care team. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Applied Kinesiology is a muscle-testing method used by some alternative practitioners to assess body function. In cancer care, it may be used to explore body imbalances, identify stressors, or guide supplement choices. However, it is not supported as a reliable way to diagnose or treat cancer and should be used carefully alongside standard medical care.

Aprepitant is a medicine used with other drugs to help prevent nausea and vomiting caused by chemotherapy or surgery. It works by blocking a chemical in the brain that triggers these symptoms. Known by brand names like Cinvanti and Emend, aprepitant is part of a group of anti-nausea medicines called neurokinin 1 receptor antagonists, helping make treatment more comfortable.

Aptivus (tipranavir sodium) is a medicine used with ritonavir to treat HIV in people who have tried other HIV drugs. It works by blocking the virus from making copies of itself. While not a cancer treatment, Aptivus can be important for patients with HIV-related cancers or those whose cancer care involves managing HIV and the immune system.

Aqueous means related to water or watery fluids. In cancer care, you might see this word when doctors talk about body fluids, treatments, or test results involving water-based substances. The term itself doesn’t describe a specific diagnosis or treatment but helps explain how watery fluids are part of your care. Understanding it can make it easier to follow medical information and ask questions.

AR, or androgen receptor, is a protein inside certain cells that binds male hormones called androgens. It plays an important role in the growth of prostate cancer cells by responding to these hormones. Knowing about AR helps guide treatments like hormone therapy. You might hear about AR in test results, treatment plans, or discussions about prostate cancer care.

AR Negative means cancer cells do not have a protein called the androgen receptor, which normally binds male hormones (androgens). Because these cells don’t rely on androgens to grow, hormone-blocking treatments may not work. This term helps doctors decide the best treatment and often appears in test results or medical reports.

AR positive means cancer cells have a protein called the androgen receptor that binds to male hormones (androgens). These hormones may help the cancer grow. Knowing if cancer is AR positive helps doctors decide if treatments that block these hormones might slow or stop cancer growth. You might see this term in test results, treatment plans, or discussions about hormone therapy.

ARA-C, also called cytarabine, is a chemotherapy drug used to treat certain blood cancers like acute myeloid leukemia (AML). It works by stopping cancer cells from making DNA, which helps kill them. ARA-C is often given with other medicines and can be used to treat leukemia that has spread to the brain and spinal cord. It is an important part of treatment plans for some types of leukemia in adults and children.

Biobran, also called MGN-3 or Arabinoxylan Rice Bran, is a natural supplement made from rice bran and enzymes from shiitake mushrooms. It is thought to support the immune system and has been studied in cancer care and viral infections. While early research suggests it might help some patients, more studies are needed to fully understand its benefits and safety. It is not a replacement for standard cancer treatments.

Aranesp, also called darbepoetin alfa, is a medicine used to treat anemia, a condition where the blood has too few red blood cells. It helps the body make more red blood cells, which can improve energy and reduce symptoms like tiredness. Aranesp is often given to people with chronic kidney disease or those receiving chemotherapy for cancer to support their health during treatment.

Arctigenin is a natural compound found in plants like burdock. It belongs to a group called lignans and has been studied for possible antiviral and anticancer effects. While you might hear about arctigenin during cancer care discussions, it is not a proven or standard treatment. Understanding what arctigenin is can help you ask informed questions and better follow your care plan.

Arctiin is a natural compound found in plants like burdock. It belongs to a group called lignans and has been studied for possible effects on cancer cells. While it appears in research and discussions about plant-based substances, arctiin is not an approved or proven cancer treatment on its own. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Aredia, also called pamidronate disodium, is a medicine used to treat high calcium levels in the blood caused by cancer and to protect bones damaged by cancers like multiple myeloma or breast cancer that has spread to the bones. It helps slow bone breakdown and keeps bones stronger during cancer treatment.

The areola is the darker skin area surrounding the nipple on the breast. It is a normal part of breast anatomy and may be mentioned during breast exams or cancer care to describe location or changes. Seeing the term areola in medical reports does not automatically mean there is a problem, but it helps doctors be precise about findings or treatment plans.

Arginine, also called L-arginine, is a natural amino acid that helps build proteins in the body. It is being studied in cancer care as a nutritional supplement and for its possible role in supporting treatment. While not a cancer treatment itself, arginine may be mentioned during diagnosis, treatment planning, or research. Understanding arginine can help you follow your care and ask informed questions.

Arginine Butyrate is a substance being studied as a possible treatment for cancer. It is not yet a standard therapy but may be part of research studies or clinical trials. Patients might hear this term when exploring new or experimental cancer treatments. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Arginine vasopressin, also called antidiuretic hormone or vasopressin, is a hormone made in the brain that helps control blood pressure and the balance of water and salt in your body. Some tumors can produce too much of this hormone, which may cause your body to hold extra water and lower salt levels, affecting your health during cancer care.

Argon Beam Coagulator Ablation is a surgical technique that uses an electrical current carried by argon gas to burn and seal tissue. It helps stop bleeding and destroy unwanted tissue during surgery. This method is often used in cancer surgeries to control blood loss and manage tumors safely. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Arimidex, also called anastrozole, is a hormone therapy medicine used mainly to treat certain breast cancers in women after menopause. It works by lowering estrogen levels in the body, which can help stop cancer cells that need estrogen from growing. It is not chemotherapy but a targeted treatment often used when cancer cells have hormone receptors.

Arixtra, also called fondaparinux sodium, is a medicine that helps prevent blood clots in veins, especially in the legs. It is a type of blood thinner (anticoagulant) often used in cancer care to lower the risk of clots during and after surgery. Knowing about Arixtra can help patients and caregivers understand its role in keeping blood flowing and reducing complications.

Age-Related Macular Degeneration (ARMD or AMD) is an eye condition where the center of the retina slowly breaks down. This area, called the macula, helps you see fine details. ARMD can cause blurry or lost central vision, making activities like reading or driving harder. It mostly affects people over 50 and may be mentioned during cancer care when eye health is monitored.

Armodafinil is a medicine that helps people stay awake and alert. It is often used to treat sleep disorders like narcolepsy and is being studied to help with tiredness and sleep problems in people with cancer. It works by affecting brain areas that control sleep and wakefulness. You might also hear it called Nuvigil.

Alveolar rhabdomyosarcoma (ARMS) is a rare type of soft tissue cancer that starts in early muscle cells. It most often affects older children and teenagers and usually appears in the trunk, arms, or legs. Knowing about ARMS helps patients and caregivers understand the diagnosis and treatment options. It may also appear under related names such as Alveolar Rhabdomyosarcoma.

Aromasin, also called exemestane, is a medicine used mainly to treat certain types of breast cancer in women after menopause. It works by lowering estrogen levels in the body, which can help stop the growth of cancers that need estrogen to grow. Aromasin is often used after other hormone treatments like tamoxifen and is part of hormone therapy for breast cancer.

An aromatase inhibitor (AI drug) is a medicine that lowers estrogen levels by blocking an enzyme called aromatase. This helps slow or stop the growth of some breast cancers that need estrogen to grow. AI drugs are mainly used in postmenopausal women as part of hormone therapy, often after surgery, to reduce the chance of cancer returning. Common examples include anastrozole, letrozole, and exemestane.

An aromatherapist is trained in aromatherapy, a complementary therapy using plant-based essential oils with pleasant scents. These oils are inhaled or applied to the skin through massage, baths, or cloths to promote relaxation and well-being. Aromatherapists may support cancer patients by helping ease stress and improve comfort during treatment, but aromatherapy is not a cancer treatment itself.

Aromatherapy is a complementary therapy that uses plant-based essential oils with pleasant smells to help promote relaxation and a sense of well-being. It is sometimes used alongside cancer treatments to ease symptoms like anxiety, nausea, or pain. Aromatherapy involves inhaling or applying diluted oils and is often mentioned in cancer care discussions about managing treatment side effects and improving quality of life.

Aromatherapy infusion is a gentle warming process that releases pleasant scents from essential oils or herbs. Used alongside cancer treatments, it may help ease discomfort and support recovery. It is a complementary approach aimed at improving comfort, not a treatment for cancer itself. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Aromatherapy massage is a gentle massage using plant-based essential oils with pleasant scents. It aims to help people feel relaxed, improve mood, and support well-being. Often offered alongside cancer care, it can help ease stress and promote comfort during treatment but is not a treatment for cancer itself. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Aromatic means having a noticeable smell, often pleasant or spicy. In cancer care, it describes the scent of medicines, chemicals, or environments. Knowing this helps patients understand treatment details and communicate clearly with their care team. Aromatic simply refers to smell and does not indicate anything about the cancer itself or its seriousness.

Arousal means being awake, alert, and ready to respond, or the process of waking up from sleep. In cancer care, it helps patients and caregivers notice changes in alertness or consciousness that might relate to treatment, symptoms, or side effects. The term describes a state of wakefulness but does not always signal a serious problem. Its meaning depends on the situation and context.

Arranon, also called nelarabine, is a chemotherapy drug used to treat certain blood cancers affecting T-cells, such as T-cell acute lymphoblastic leukemia and T-cell lymphoblastic lymphoma. It is given to adults and children over one year old when other treatments have not worked or the cancer has returned. Arranon works by blocking cancer cells from making DNA, which may help kill them and slow the disease.

Arrhenoblastoma is a rare tumor that develops in the tissues supporting the ovaries. It produces male hormones like testosterone, which can cause physical changes such as facial hair growth and a deeper voice. These tumors may be benign (not cancer) or malignant (cancer). Early diagnosis and treatment often lead to a good outlook. The tumor is also called androblastoma or Sertoli-Leydig cell tumor.

Arsenic is a natural chemical found in air, water, and soil. Some forms can increase cancer risk after long-term exposure, especially through contaminated drinking water. Arsenic is also used in certain cancer treatments. Patients may hear about arsenic when discussing environmental risks, test results, or treatment plans. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Arsenic trioxide (brand name Trisenox) is a medicine used to treat a rare blood cancer called acute promyelocytic leukemia (APL). It works by targeting a specific genetic change in the cancer cells. It is often given with another drug called tretinoin for newly diagnosed adults and may be used alone if the cancer returns or does not respond to other treatments.

Art or expressive therapies use creative activities like painting, writing, or movement to help people cope with cancer. These therapies support emotional well-being and may ease stress, anxiety, or symptoms related to treatment. They are often offered alongside medical care to improve quality of life during cancer treatment and recovery.

Art and expressive therapies use creative activities like painting, writing, music, or movement to help people cope with cancer. These therapies support emotional well-being and may reduce stress, anxiety, or symptoms related to treatment. They are offered alongside medical care as a complementary approach to improve quality of life during cancer treatment and recovery.

Art therapy is a supportive treatment that uses creating and responding to art to help improve emotional, mental, and sometimes physical well-being. It can help people with cancer express feelings, reduce stress, and cope with the challenges of illness. Art therapy is offered alongside medical treatments but does not replace them.

Arterial embolization is a medical procedure that blocks blood flow to a tumor or abnormal tissue. A small cut is made in the inner thigh to guide a thin tube into an artery near the affected area. Tiny particles are injected to stop blood supply, which can help treat certain cancers and other conditions by cutting off nutrients to the problem area.

An arteriogram is a special X-ray test that shows the arteries, the blood vessels carrying blood away from the heart. During the test, a dye is injected into the bloodstream to make the arteries visible on the images. This helps doctors see blood flow and find blockages or abnormalities, which can be important for diagnosing or planning cancer treatment.

Arteriography is a medical test that uses X-rays and a special dye to create detailed images of the arteries, the blood vessels that carry blood from the heart to the body. This test helps doctors see if arteries are blocked or damaged. In cancer care, arteriography can help doctors understand how tumors affect nearby arteries and plan treatments safely.

An artery is a blood vessel that carries oxygen-rich blood from the heart to organs and tissues. In cancer care, arteries are important because tumors need blood supply to grow. You may hear about arteries during scans or treatment talks, but their mention doesn’t always mean there is a problem with them.

Arthralgia means joint pain, which can affect people with cancer. It may be caused by the cancer itself, treatments like chemotherapy or hormone therapy, or other health issues. Recognizing arthralgia helps patients describe their symptoms and work with their care team to manage joint discomfort during cancer care. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Arthritis is a condition that causes inflammation and pain in the joints, which can make moving uncomfortable. In cancer care, arthritis may appear as joint symptoms caused by the cancer itself or its treatments. Understanding arthritis can help you recognize symptoms and work with your care team to manage pain and maintain your daily activities.

Artificial Intelligence (AI) means computers doing tasks that usually need human thinking, like learning and problem solving. In cancer care, AI helps doctors analyze large amounts of information to improve diagnosis, treatment planning, and research. Patients might hear about AI in test results, treatment discussions, or clinical trials, but it doesn’t replace doctors or guarantee specific outcomes.

Artificial Nutrition and Hydration (ANH) means giving food and fluids through tubes when someone cannot eat or drink by mouth. It is often used in cancer care when illness or treatment affects a person’s ability to get enough nutrition. ANH can be given through veins, under the skin, or directly into the stomach or intestines to help maintain strength and support recovery.

An artificial pacemaker is a small, battery-powered device implanted under the skin to help control an irregular or slow heartbeat. It monitors the heart’s rhythm and sends gentle electrical signals to keep the heart beating steadily. Also called a cardiac pacemaker or simply a pacemaker, it is connected to the heart by thin wires called leads.

Arzerra, also called ofatumumab or HuMax-CD20, is a medicine used to treat certain blood cancers like chronic lymphocytic leukemia (CLL). It works by targeting a protein called CD20 on some white blood cells and cancer cells, helping the immune system attack them. Arzerra may be given alone or with other treatments and is sometimes mentioned during diagnosis, treatment planning, or clinical trials.

Arzoxifene Hydrochloride is a laboratory-made medicine studied for treating osteoporosis and certain breast cancers. It works by attaching to estrogen receptors in the body, which can affect how some cancers grow. You might hear this term during discussions about treatment options or clinical trials, especially for hormone-sensitive cancers. It is still being researched and is not a standard treatment for everyone.

Asbestos is a group of natural minerals made of tiny fibers once widely used in building materials for insulation and fireproofing. Breathing in loose asbestos fibers can cause serious health problems, including lung cancer and mesothelioma, a rare cancer affecting the lining of the lungs or abdomen. Understanding asbestos exposure is important for cancer risk and care.

Asbestosis is a lung disease caused by breathing in tiny asbestos fibers. It leads to scarring and permanent lung damage, causing symptoms like coughing, chest pain, and trouble breathing. People with asbestosis have a higher chance of developing lung cancer or mesothelioma, a rare cancer affecting the lining of the lungs or abdomen. Understanding asbestosis helps those exposed to asbestos manage their lung health and cancer risks.

ASC-H means atypical squamous cells, cannot exclude a high-grade lesion. It is a Pap test result showing abnormal cells on the cervix that might be linked to more serious changes. This finding usually leads to further testing to understand the cause and decide on the best care steps. ASC-H does not mean cancer but signals the need for closer follow-up.

ASC-US (Atypical Squamous Cells of Undetermined Significance) is a common abnormal finding on a Pap test. It means some cervical cells look unusual but are not clearly cancerous. Causes include infections like HPV, inflammation, or hormone changes. Further testing, such as an HPV test or repeat Pap test, is usually needed to understand what these changes mean for your health.

Asciminib Hydrochloride, also called Scemblix, is a medicine used to treat adults with a type of blood cancer called chronic myelogenous leukemia (CML) that has a specific genetic change known as the Philadelphia chromosome. It is often used when other treatments have not worked or when the cancer has a certain mutation. This drug helps block cancer cell growth and is being studied for other cancers too.

Ascites is the buildup of extra fluid in the belly (abdomen), causing swelling and discomfort. It can happen with cancer or other health problems like liver disease. Doctors check for ascites to understand symptoms and guide treatment. Managing ascites may involve medicines, procedures to remove fluid, or cancer therapies. Knowing about ascites helps patients and caregivers recognize symptoms and talk with their care team about care options.

Ascorbic acid, also called vitamin C, is a nutrient your body needs daily to stay healthy. It helps fight infections, heal wounds, and protect cells from damage. Found in many fruits and vegetables, vitamin C is sometimes discussed in cancer care for its role in overall health and ongoing research into its effects on cancer treatment and prevention.

ASCUS (also called ASC-US) means some cervical cells found in a Pap test look unusual but not clearly abnormal. It’s a common finding that may be caused by infections like HPV, inflammation, or hormone changes. ASCUS does not mean cancer but usually leads to follow-up tests to understand the cause and decide if treatment or monitoring is needed.

Aseptic necrosis is a condition where bone tissue dies because it doesn’t get enough blood. It often affects joints like the hips, knees, shoulders, and ankles. This can happen after certain cancer treatments or from other causes like steroid use or injuries. Knowing about aseptic necrosis helps patients recognize symptoms and talk with their care team about bone health.

Ashkenazi Jews are a group of Jewish people whose ancestors lived mainly in Central and Eastern Europe, including Germany, Poland, and Russia. This background is important in cancer care because certain inherited gene changes linked to cancer are more common in this group. Knowing this can help guide genetic testing and personalized care, but it does not mean a person has or will develop cancer.

Aggressive systemic mastocytosis (ASM) is a rare condition where too many mast cells, a type of white blood cell, build up in organs like bone marrow, liver, and spleen. This buildup can cause serious symptoms and organ damage. ASM often progresses quickly, usually affects adults, and may sometimes develop into a rare form of leukemia. Careful diagnosis and treatment are important.

Asparaginase is a medicine used mainly to treat acute lymphoblastic leukemia (ALL), a type of blood cancer. It works by breaking down asparagine, a nutrient some cancer cells need to grow. You might hear it called Elspar or L-asparaginase. It is often part of a treatment plan combined with other medicines to help control cancer growth.

Asparaginase Erwinia Chrysanthemi is a medicine made from an enzyme found in the bacterium Erwinia chrysanthemi. It is used with other drugs to treat certain blood cancers like acute lymphoblastic leukemia (ALL), especially for patients who cannot take a similar drug made from E. coli bacteria. This medicine works by breaking down a nutrient cancer cells need to grow.

Asparlas is a medicine used with other drugs to treat acute lymphoblastic leukemia (ALL), a blood cancer mainly affecting children and young adults up to 21 years old. It contains an enzyme that breaks down asparagine, a nutrient cancer cells need to grow. Asparlas stays in the body longer than similar drugs, which can affect how often it is given during treatment.

Aspartate transaminase (AST), also called SGOT, is an enzyme found in the liver, heart, muscles, and other tissues. When these organs are damaged, AST can leak into the blood. Measuring AST levels helps doctors check for liver or heart problems and monitor organ health during cancer diagnosis or treatment. A high AST level doesn’t always mean cancer, so it’s important to understand the full medical context.

Aspergillosis is a fungal infection caused by Aspergillus mold, which mainly affects people with weakened immune systems. It often involves the lungs, skin, ears, or nasal sinuses. Cancer treatments like chemotherapy can lower immunity, increasing the risk. Knowing about aspergillosis helps patients recognize symptoms and discuss infection concerns with their healthcare team.

Aspergillus is a common type of fungus found in soil and the air. Most people breathe in its spores daily without harm. However, in people with weakened immune systems, such as some cancer patients, Aspergillus can sometimes cause infections. Knowing about Aspergillus helps patients understand its role in infection risks and lung health during cancer care.

An aspirate is fluid, tissue, or other material taken out of the body, often using a thin needle. In cancer care, aspirates help doctors examine cells from lumps or cysts to diagnose cancer and plan treatment. The term can also mean the process of removing these samples. Aspirate can also refer to accidentally breathing food or fluid into the lungs, which is a different medical concern.

Aspiration is a medical procedure where a thin needle is used to remove fluid or tissue from the body. In cancer care, it helps doctors collect samples to diagnose or monitor cancer. The word aspiration can also mean accidentally breathing food or liquid into the lungs, which is a different issue. Hearing the term doesn’t always mean a serious problem or a specific treatment by itself.

Aspirin is a common medicine used to relieve pain, reduce fever and inflammation, and prevent blood clots. It is sometimes mentioned in cancer care because research is exploring whether it can help lower the risk of certain cancers, especially colorectal cancer. Its use in cancer prevention or treatment depends on individual health and should be discussed with a healthcare provider.

Alveolar Soft Part Sarcoma (ASPS) is a rare soft tissue tumor that mainly affects older children and teenagers. It usually starts in the legs but can also develop in the arms, hands, head, or neck. ASPS grows in the soft tissues that support and connect organs and other body parts. Knowing about ASPS helps patients and caregivers understand diagnosis and treatment options.

An assay is a lab test that finds and measures a specific substance in the body or a sample. In cancer care, assays help doctors learn about the disease, such as detecting markers or checking how a tumor responds to treatment. Patients may hear this term in test results, treatment plans, or doctor discussions.

The assent process helps children and teens understand a clinical trial in simple terms before they decide to join. While parents or guardians give formal permission, the child’s agreement, called assent, respects their feelings and involvement in their care. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

An assessment is a process used by doctors and care teams to learn about a patient’s overall health and specific condition. It includes reviewing medical history, physical exams, tests, and checking mental and daily living abilities. In cancer care, assessments help guide diagnosis, treatment decisions, and ongoing support by providing a clear understanding of the patient’s needs.

An asset is something valuable that a person owns or benefits from, such as money, property, or investments. In cancer care, understanding assets can help patients manage treatment costs, insurance, and financial planning. Knowing what assets mean can support patients when discussing medical bills, insurance coverage, or eligibility for financial help and clinical trials.

Assisted Reproductive Technology (ART) includes medical procedures that help people who have trouble getting pregnant. The most common method is in vitro fertilization (IVF), where eggs are taken from a woman’s ovary and joined with sperm in a lab to create embryos. These embryos can then be placed in the uterus or frozen for later use. ART may also involve donor eggs, sperm, or a surrogate mother.

An assistive device is a tool that helps people with disabilities or difficulties perform daily tasks more easily. In cancer care, these devices support mobility, hearing, or comfort during treatment and recovery. Examples include canes, wheelchairs, hearing aids, and special beds. Using an assistive device doesn’t always mean severe disability but often provides extra support for specific needs.

Assistive technology includes devices or tools that help people with disabilities or health challenges perform daily tasks more easily. In cancer care, these tools support patients who face difficulties with movement, vision, hearing, or strength, helping them stay independent and comfortable during and after treatment. Examples include special grips for utensils, screen readers, voice-controlled computers, amplified phones, and chair lifters.

Asthenia means feeling weak or lacking energy and strength. It is a common term in cancer care used to describe a patient’s experience of ongoing physical weakness or low energy. Recognizing asthenia helps patients and caregivers communicate symptoms clearly with healthcare providers and manage daily activities during cancer diagnosis, treatment, or recovery.

Asthma is a long-term lung condition where the airways become narrow and swollen, making it harder to breathe. Common symptoms include wheezing, coughing, chest tightness, and shortness of breath. Triggers like dust, smoke, pollen, or exercise can worsen symptoms. For people with cancer, asthma may affect breathing and influence treatment choices.

Asthma Beetle is a common name for the Chinese weevil (Ulomoides dermestoides), a small insect sometimes mentioned in alternative health discussions. Though used in folk remedies for asthma and respiratory issues, it is not a proven or safe cancer treatment. Patients may see this term online or in informal reports, but it is important to understand its limits and risks before considering its use.

Asthma Beetles, also called Chinese Weevils (Ulomoides dermestoides), are small insects sometimes mentioned in alternative health discussions. They have been promoted online as treatments for serious illnesses like cancer, but there is no reliable evidence that they are safe or effective. Patients may see this term in informal sources, but health experts advise caution and do not recommend using these beetles as cancer therapy.

An astrocyte is a star-shaped cell in the brain and spinal cord that supports nerve cells. It helps keep nerve cells in place and assists them in working properly. Astrocytes are normal and important cells, but some brain tumors, called astrocytomas, develop from these cells. You might hear this term during brain tumor care or when learning about brain health.

An astrocytoma is a tumor that starts in star-shaped brain or spinal cord cells called astrocytes. These tumors can be noncancerous or cancerous and are classified by how abnormal the cells look and how fast the tumor might grow or spread. Knowing about astrocytomas helps guide treatment and care decisions for people with brain or spinal cord tumors.

Asymmetry means that one side or part of the body looks or feels different from the other. In cancer care, noticing asymmetry can help doctors find changes that might need further checks. It doesn’t always mean cancer, but it can be an important clue for doctors to watch or test an area more closely.

Asymptomatic means having no signs or symptoms of disease. In cancer care, it describes when a person feels well and shows no symptoms even if cancer or another health issue is present. This term helps patients understand that not feeling sick doesn’t always mean there is no disease, and it guides doctors in diagnosis and monitoring.

Asymptomatic inflammatory prostatitis is inflammation of the prostate gland without any symptoms. It is often found when white blood cells appear in prostate fluid during tests. This condition can affect prostate cancer screening results but does not mean cancer is present or causing problems. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

AT/RT, or atypical teratoid/rhabdoid tumor, is a very rare and fast-growing cancer that usually starts in the brain or spinal cord, especially in young children under age three. It often affects parts of the brain that control movement and balance. Understanding AT/RT helps patients and families know what to expect and how doctors plan tests and treatments.

AT7519M is an experimental drug being studied as a possible treatment for some cancers. It works by blocking enzymes called cyclin-dependent kinases (CDKs) that cancer cells need to grow and divide. This drug is not yet approved for general use but may be mentioned during discussions about clinical trials or new treatment options.

AT9283 is an experimental drug being studied to treat certain cancers. It works by blocking enzymes called Aurora kinases that help cancer cells divide and grow. AT9283 is not yet a standard treatment and is mainly available through clinical trials. Hearing about it means research is ongoing, but it may not be part of your current care plan.

Atamestane is a drug being studied to treat certain cancers by lowering estrogen levels in the body. It belongs to a group of medicines called antiestrogens, which work to reduce hormones that can help some cancers grow. While not yet a standard treatment, Atamestane may be mentioned when hormone-related therapies are discussed, especially for cancers sensitive to estrogen.

Ataxia means a loss of muscle coordination that can affect balance, walking, and hand movements. It is not a disease itself but a sign that the brain or nerves controlling muscles are affected. In cancer care, ataxia may happen due to tumors or treatments impacting the nervous system. Recognizing ataxia helps patients and caregivers notice changes and communicate clearly with healthcare providers.

Ataxia-Telangiectasia is a rare inherited condition that starts in childhood. It causes problems with muscle control, weakens the immune system, and raises the risk of certain cancers. Knowing about this condition helps patients and caregivers understand its effects and how it may influence cancer care and treatment choices. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Ataxic gait means walking in an awkward, unsteady, or uncoordinated way. It happens when the brain or nerves that control balance and movement are affected. In cancer care, noticing changes in walking can help doctors understand if cancer or its treatment is impacting the nervous system. Patients may hear this term during exams, reports, or treatment discussions about symptoms or side effects.

Atelectasis means that part or all of a lung hasn’t fully expanded or filled with air. It can happen for many reasons, such as a blockage in the airways, infections, or effects of surgery and anesthesia. In cancer care, atelectasis may affect breathing or appear on lung scans. Understanding this term helps patients know what’s happening with their lungs during diagnosis and treatment.

Atezolizumab, also called Tecentriq, is a medicine that helps the immune system fight cancer by blocking a protein called PD-L1. This protein can help cancer hide from the immune system. Atezolizumab is used to treat several cancers, including certain lung cancers, liver cancer, melanoma, and a rare soft tissue cancer. It may be given alone or with other treatments.

Atezolizumab and hyaluronidase is a combination medicine used to treat certain adult cancers, including lung cancer, liver cancer, melanoma, and soft tissue tumors. It helps the immune system recognize and attack cancer cells by blocking a protein called PD-L1. Given as a quick injection under the skin, this treatment may be used alone or with other medicines depending on the cancer type and stage.

An athymic nude mouse is a special laboratory mouse without hair and with a weak immune system due to a missing thymus gland. These mice are important in cancer research because they can accept tumor cells from other animals without rejecting them. This helps scientists study cancer growth and test new treatments in a controlled setting.

Atiprimod, also called azaspirane or SK&F106615, is an experimental drug studied for treating certain advanced cancers like multiple myeloma. It may help slow tumor growth by blocking signals cancer cells use and by preventing new blood vessels from forming, which tumors need to grow. Atiprimod is still being researched and is not yet a standard treatment.

Adult T-Cell Leukemia/Lymphoma (ATLL) is a rare, fast-growing cancer that affects T-cells, a type of white blood cell important for the immune system. It is caused by infection with the human T-cell leukemia virus type 1 (HTLV-1). ATLL can cause symptoms like swollen lymph nodes, skin changes, and high calcium levels. Knowing about ATLL helps patients and caregivers understand diagnosis, treatment, and medical reports related to this lymphoma.

ATN-161 is an experimental substance being studied as a possible treatment for some cancers. It may help stop tumors from spreading and block the growth of new blood vessels that tumors need to grow. It belongs to a group of treatments called antiangiogenesis agents, which target blood vessel growth in tumors. ATN-161 is not yet a standard treatment but may be offered in clinical trials.

ATN-224 is an experimental drug being studied for cancer treatment. It may help stop tumors from growing by blocking new blood vessel formation and interfering with enzymes cancer cells need to grow. Also called SOD1 inhibitor ATN-224, it belongs to a group of drugs known as antiangiogenesis agents. Research is ongoing to learn how safe and effective it is.

An atom is the smallest part of any substance that cannot be broken down by chemical means. It has a center called a nucleus made of protons and neutrons, with electrons moving around it. Atoms make up everything around us, including the cells and molecules involved in cancer and its treatment.

Atorvastatin calcium, also known as Lipitor, is a medication that lowers cholesterol in the blood. It helps reduce the risk of heart problems like stroke, heart attack, and chest pain. While mainly used for heart health, researchers are studying its possible role in preventing or treating some cancers. It works by blocking an enzyme involved in cholesterol production, helping the body manage cholesterol better.

ATP, or adenosine triphosphate, is a natural molecule found in all living cells that provides energy for many body functions. In cancer care, lab-made ATP is being studied to see if it can help reduce weight loss and improve muscle strength in patients with advanced tumors. You might hear about ATP in treatment plans, clinical trials, or medical reports related to energy and nutrition support during cancer treatment.

ATRA, or all-trans retinoic acid, is a form of vitamin A that helps cells grow and develop. It is used as a medicine to treat a type of blood cancer called acute promyelocytic leukemia (APL). ATRA helps immature blood cells mature into healthy cells, improving the disease. You might hear about ATRA during cancer care, treatment planning, or when reading about medications and clinical trials.

Atrasentan is a drug being studied as a possible cancer treatment. It works by blocking a protein called endothelin-1, which may help cancer cells grow and spread. Atrasentan is not yet a standard treatment but may be offered in clinical trials or experimental settings for certain cancers. Patients might hear about it when discussing new or future treatment options.

Atrial fibrillation, or Afib, is an irregular and often fast heartbeat caused by rapid electrical signals in the heart’s upper chambers. It may cause tiredness, chest discomfort, dizziness, or no symptoms at all. In cancer care, Afib can affect treatment choices and monitoring because it may increase risks like blood clots or stroke. You might hear this term during doctor visits or see it in medical reports.

Atrophic gastritis is a condition where the stomach’s inner lining becomes inflamed and thins over time, causing loss of cells that help digest food. It can be caused by long-term infection with H. pylori bacteria or autoimmune diseases. People with atrophic gastritis may have a higher risk of stomach cancer or certain tumors, so careful monitoring and management are important.

Atrophic vaginitis, also called vaginal atrophy, happens when the vaginal lining becomes thin, dry, and irritated because of lower estrogen levels. This can cause symptoms like dryness, itching, burning, and pain during sex. It often occurs after menopause or from cancer treatments that affect hormones. Understanding this condition can help manage symptoms and improve comfort and quality of life.

Atropine sulfate is a medicine that helps relax certain muscles and reduce body fluids like saliva and mucus. It can also increase a slow heart rate. In cancer care, it’s often used to manage side effects or symptoms caused by treatments or illness, making patients more comfortable. It is not a cancer treatment itself but a supportive medicine to help with specific problems during care.

The Atropine Suppression Test is a medical test that checks how the pancreas releases a protein called pancreatic polypeptide. During the test, a medicine called atropine is given through a vein, and blood levels of this protein are measured. The test helps doctors find out if abnormal protein levels are caused by a tumor or other reasons, aiding in pancreatic health evaluation.

ATT/RHT, also called AT/RT, is a very rare and fast-growing cancer that usually starts in the brain or spinal cord, mainly affecting young children under age three. It often involves parts of the brain that control movement and balance. This tumor requires specialized diagnosis and treatment, and understanding it helps families prepare for care and ask informed questions.

An attending physician is the main doctor responsible for your overall care during a hospital or clinic visit. In cancer care, this doctor leads your diagnosis, treatment, and follow-up, coordinating with specialists and healthcare providers. While they oversee your care, they may not personally perform every test or treatment. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Attenuated means weakened or less strong. In medicine, it often describes bacteria or viruses that have been changed so they don’t cause serious illness. In cancer care, attenuated germs may be used in vaccines or treatments to safely help the immune system respond without causing full disease. Knowing this term can help you understand your care and ask informed questions.

Attenuated Familial Adenomatous Polyposis (AFAP) is a rare inherited condition where fewer than 100 polyps (abnormal growths) develop in the colon and rectum. These polyps increase the risk of colorectal cancer. Sometimes, benign tumors may also appear in other organs. Knowing about AFAP helps guide cancer screening and prevention for affected individuals and their families.

Acquired thrombotic thrombocytopenic purpura (aTTP) is a rare condition where tiny blood clots form in small blood vessels throughout the body. These clots block blood flow and lower platelet counts, causing bruising, red or purple skin spots, bleeding, and other symptoms. aTTP can be linked to cancer, certain treatments, or other health issues and needs careful medical attention during cancer care.

Atypia means that cells look unusual or different from normal cells when examined under a microscope. It is a term doctors use to describe cells that don’t appear typical. While atypia can sometimes be linked to cancer or precancerous changes, it does not always mean cancer is present. Understanding atypia helps patients follow their diagnosis and treatment plans more clearly.

Atypical means something is not normal or usual. In cancer care, it describes cells or growths that look different from healthy ones. These changes might be harmless, precancerous, or cancerous. Hearing this term doesn’t always mean cancer, but it helps doctors decide if more tests or treatments are needed. It may also appear under related names such as Abnormal.

Atypical Ductal Breast Hyperplasia (ADH) is a non-cancerous condition where extra cells grow abnormally inside the milk ducts of the breast. While ADH itself is not cancer, it can increase the chance of developing breast cancer in the future. You might hear this term after a breast biopsy or when reviewing pathology reports from breast tissue tests.

Atypical ductal hyperplasia (ADH) is a non-cancerous condition where extra cells grow abnormally inside the milk ducts of the breast. While ADH itself is not cancer, it can increase the chance of developing breast cancer in the future. It is often found after a breast biopsy and helps doctors decide on closer monitoring or preventive care.

Atypical Glandular Cells (AGC) are unusual cells found in a Pap test from the cervix or uterus lining. This finding means some cells look different from normal and may suggest a serious condition, including cancer, but it does not confirm it. More tests are usually needed to understand the cause and decide on the next steps. AGC is an important part of cervical health screening and follow-up care.

Atypical Glandular Cells Of Uncertain Significance (AGUS) means unusual glandular cells found in the cervix during a Pap smear. These cells are not clearly normal or cancerous. Finding AGUS often leads to more tests to understand the cause and decide if treatment is needed. It is a sign that doctors want to look closer, not a diagnosis of cancer.

Atypical Glandular Cells Of Undetermined Significance (AGUS) means unusual glandular cells found in the cervix during a Pap smear. These cells look different from normal but are not clearly cancerous. Finding AGUS usually leads to more tests to understand the cause and decide if treatment is needed. It signals the need for closer examination, not a diagnosis of cancer.

Atypical hyperplasia is a non-cancerous condition where cells look unusual and are more numerous than normal. It is often found during biopsies and can indicate a higher risk of developing cancer later. Knowing this term helps patients understand their test results and what follow-up care might be needed. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

Atypical Lobular Breast Hyperplasia (ALH) is a non-cancerous condition where there are more cells than usual in the breast lobules, and these cells look abnormal under a microscope. While ALH itself is not cancer, having it can increase the risk of developing breast cancer in the future. It is often found during breast biopsies and helps doctors decide on monitoring and preventive care.

Atypical Lobular Hyperplasia (ALH) is a non-cancerous condition where the milk-producing glands (lobules) in the breast have more cells than usual, and these cells look abnormal under a microscope. While ALH itself is not cancer, it can increase the risk of developing breast cancer in the future. It is often found during breast biopsies and helps doctors decide on monitoring and preventive care.

An atypical mole is a mole that looks different from common moles. These moles are often larger, have irregular or blurry edges, and uneven colors. While most atypical moles are harmless, some can develop into melanoma, a serious skin cancer. Knowing about atypical moles helps you watch for skin changes and talk with your healthcare provider about any concerns.

Atypical Squamous Cells Of Undetermined Significance (ASC-US) is a common finding in Pap tests showing some unusual cells on the cervix. It does not mean cancer but may suggest infections like HPV or other causes. ASC-US helps guide follow-up testing or monitoring to keep cervical health on track. It may also appear under related names such as ASC-US, ASCUS.

Atypical Squamous Cells, Cannot Exclude a High-Grade Lesion (ASC-H) is a Pap test result showing abnormal cells on the cervix. It suggests there might be serious changes that could lead to cervical cancer if untreated. This result usually means more tests are needed to understand the cause and decide on the next steps for care. ASC-H does not mean cancer but signals the need for closer follow-up.

Atypical teratoid/rhabdoid tumor (AT/RT) is a very rare, fast-growing cancer that usually starts in the brain or spinal cord, mainly affecting young children under age three. It often involves parts of the brain that control movement and balance. AT/RT requires specialized diagnosis and treatment, and understanding it helps families prepare for care and ask informed questions.

Aucatzyl, also called obecabtagene autoleucel, is a treatment for adults with a type of blood cancer called acute lymphoblastic leukemia that has returned or not improved after other treatments. It uses a patient’s own immune cells, modified in a lab to better find and kill cancer cells. This therapy is a form of CAR T-cell immunotherapy and is being studied for other cancers.

Auditory relates to the ear and hearing. In cancer care, it often appears when discussing symptoms, tests, or side effects involving hearing. It does not always mean hearing loss or ear disease but refers to anything connected to hearing or the ear’s function. Understanding this term helps patients follow their care and ask informed questions about hearing-related concerns.

The Auditory Brain Stem Response (ABR) test is a painless hearing test that measures how your brain and hearing nerves respond to sounds. Small sensors placed on your head record nerve signals triggered by clicking sounds or tones. It helps find hearing problems caused by nerve damage or tumors and is often used in cancer care to check if treatments or tumors affect hearing nerves.

Augmentin is an antibiotic medicine combining amoxicillin and clavulanate potassium to treat bacterial infections. In cancer care, it helps prevent or treat infections when the immune system is weakened by treatments like chemotherapy. Patients may see Augmentin listed in medication plans or lab reports related to infection management during cancer treatment.

Augmerosen is an experimental cancer treatment studied for its ability to block a protein called Bcl-2 that helps cancer cells survive longer. By targeting this protein, Augmerosen may make cancer cells more sensitive to chemotherapy. It is also known as Genasense or oblimersen sodium and belongs to a group of molecules called antisense oligodeoxynucleotides, designed to interfere with cancer cell survival.

Augtyro, also called repotrectinib, is a targeted cancer medicine used to treat certain lung cancers and solid tumors with specific gene changes called ROS1 or NTRK fusions. It works by blocking proteins that help cancer cells grow. Augtyro is used when tests show these gene changes and is part of personalized treatment plans for some patients.

Auricular means relating to the ear. In cancer care, this term describes where a tumor or treatment is focused, especially if it involves the ear or nearby areas. It appears in medical reports or treatment plans to specify the ear region but does not indicate the type or seriousness of cancer. Knowing this term helps patients understand their care more clearly.

Auricular acupuncture, also called ear acupuncture, is a type of acupuncture where thin needles are placed on specific points on the outer ear. These points are thought to connect to different parts of the body. It is often used by people with cancer to help manage symptoms like pain, nausea, and anxiety alongside their regular treatments.

Aurimmune is an experimental cancer treatment made by attaching a protein called tumor necrosis factor (TNF) to tiny gold particles. This combination aims to kill cancer cells while sparing healthy tissue. It is being studied in clinical trials and is not yet a standard treatment. You might hear about Aurimmune when discussing new therapies or research options for certain cancers.

Aurora B/C Kinase Inhibitor GSK1070916A, also called GSK1070916A, is an experimental drug being studied for some cancers. It works by blocking enzymes called Aurora kinases that help cancer cells divide and grow. This drug is not yet approved or widely used but may be mentioned in clinical trials or research discussions about new cancer treatments.

Aurora Kinase Inhibitor AT9283, also called AT9283, is an experimental drug being studied to treat certain cancers. It works by blocking enzymes called Aurora kinases that help cancer cells divide and grow. AT9283 is not yet a standard treatment and is mainly available through clinical trials as researchers explore new ways to fight cancer.

Aurotherapy, also called chrysotherapy or gold therapy, is a treatment using gold salts to reduce inflammation in diseases like rheumatoid arthritis. It is not a common cancer treatment but may be mentioned in cancer care when managing symptoms related to inflammation or immune system reactions. Knowing this term helps patients understand their care and avoid confusion when it appears in medical reports or discussions.

An autoantibody is a protein made by your immune system that mistakenly targets parts of your own body. In cancer care, autoantibodies may appear as part of the body’s response to cancer or its treatment. Finding autoantibodies doesn’t always mean you have an autoimmune disease or that your body is being harmed. Doctors use this information to better understand your immune system during diagnosis and treatment.

An autoclave is a machine that uses steam and high pressure to sterilize medical tools and lab equipment. In cancer care, it helps keep instruments clean and free from germs, reducing infection risks during tests and treatments. You might hear this term when discussing hospital safety or lab procedures, but it is not a treatment or symptom.

Autoclave-Resistant Factor is a natural substance found in soybeans that may help slow or stop cancer from spreading. It is unique because it stays stable even under high heat and pressure, such as during sterilization. Patients might hear this term when learning about natural compounds studied for cancer care or in research settings, but it is not a proven treatment on its own.

Autohomologous Immunotherapy (AHIT) is a treatment that uses a patient’s own immune cells or biological material, sometimes processed with ozone, to help support the immune system in fighting diseases like cancer. It differs from standard cancer treatments by focusing on boosting natural defenses rather than directly attacking cancer cells. AHIT is not a common mainstream therapy and is often considered experimental or complementary.

Autohomologous Immunotherapy (AHIT) is a treatment from Germany that uses a patient’s own biological material, processed with ozone, to try to boost the immune system. It is different from standard cancer immunotherapies like checkpoint inhibitors or CAR-T cell therapy. AHIT is considered an oxidative therapy and is not part of mainstream cancer treatment.

An autoimmune condition happens when the immune system mistakenly attacks the body’s own healthy tissues, causing inflammation. Symptoms vary widely and may include fatigue, joint pain, skin problems, and digestive issues. These conditions are more common in women and sometimes run in families. Knowing about autoimmune conditions is important in cancer care because they can affect treatment choices and overall health.

An autoimmune disease happens when the immune system mistakenly attacks the body’s own healthy tissues. This can cause inflammation and affect different parts of the body, leading to symptoms like fatigue, joint pain, skin problems, and digestive issues. Autoimmune diseases are more common in women and can run in families. Knowing about autoimmune disease can help patients understand their health and treatment plans better.

Autoimmune enteropathy is a rare condition where the immune system mistakenly attacks the intestines, causing severe, ongoing diarrhea. It mostly affects children but can also occur in adults. Understanding this condition is important in cancer care because some treatments or immune problems may cause similar symptoms or affect diagnosis and treatment plans.

Autoimmune Hemolytic Anemia is a condition where the immune system mistakenly attacks and destroys red blood cells faster than the body can replace them. This can cause symptoms like tiredness and weakness. It sometimes happens in people with certain cancers, especially blood cancers like chronic lymphocytic leukemia. Knowing about this condition can help patients understand its role in their diagnosis and treatment.

Autoimmune paraneoplastic disease is a rare condition that can happen in some people with cancer. It occurs when the immune system, while trying to fight cancer, mistakenly attacks healthy parts of the body. This can affect organs like the skin, kidneys, muscles, or nervous system. Knowing about this condition helps patients and caregivers recognize symptoms and work with doctors on diagnosis and treatment.

Autoimmune thyroiditis, also called Hashimoto disease, is a condition where the immune system attacks the thyroid gland, causing it to produce less hormone. This can lead to symptoms like tiredness, weight gain, and dry skin. It is more common in women and can run in families. Understanding this condition is important in cancer care because thyroid health affects overall well-being and treatment responses.

Autologous means using tissues, cells, or DNA taken from your own body. In cancer care, this term often refers to treatments or tests that use your own biological material, such as stem cell transplants. Knowing this word helps you understand how your care uses your own cells to support treatment and recovery.

Autologous bone marrow is a person’s own bone marrow—the soft tissue inside large bones that makes blood cells. In cancer care, it often refers to using a patient’s own marrow for treatments like bone marrow transplants. This helps restore healthy blood cell production after intensive therapies. Seeing this term doesn’t always mean a transplant is planned; it may be part of testing or treatment planning.

An autologous bone marrow transplant is a treatment where a patient’s own healthy blood-forming stem cells are collected before high-dose chemotherapy or radiation, then returned afterward to help restore blood cell production. This helps the body recover from intense cancer treatments that can damage bone marrow. It is often used for blood cancers like leukemia, lymphoma, and multiple myeloma.

Autologous Expanded Mesenchymal Stem Cells OTI-010, also called Stromagen, are special stem cells taken from a patient’s own bone marrow and grown in a lab. After treatments like chemotherapy or radiation that harm bone marrow, these cells are given back to help rebuild it. This therapy is studied to support recovery and reduce complications during stem cell transplants in cancer care.

Autologous lymphocytes are white blood cells taken from your own body. These immune cells help fight infections and diseases. In cancer care, doctors may collect and use your lymphocytes in treatments or tests to support your immune system. Hearing this term doesn’t mean you have an infection or immune problem. It simply refers to your own cells being used or studied as part of your care.

An autologous stem cell transplant is a treatment where a patient’s own healthy blood-forming stem cells are collected and stored before high-dose chemotherapy or radiation. After treatment, these cells are returned to help the body rebuild blood cells damaged by therapy. This approach is often used for blood cancers like leukemia and lymphoma to support recovery and reduce side effects.

An autologous tumor cell is a cancer cell taken from a patient’s own tumor. These cells are used by doctors to better understand the specific cancer and to help plan personalized care. The term means the cells come from the patient’s own body, not from someone else or a lab-grown source. It is often mentioned in medical reports, treatment plans, or clinical trials.

The autonomic nervous system (ANS) controls automatic body functions like heart rate, digestion, breathing, and sweating. It works without you thinking about it, helping your body relax or respond to stress. In cancer care, the ANS may be affected by cancer or treatments, which can influence symptoms and how your care team manages your health.

An autonomic nervous system disorder, also called dysautonomia, affects the part of the nervous system that controls automatic body functions like heart rate, blood pressure, digestion, and sweating. These disorders can cause symptoms such as dizziness, trouble swallowing, or changes in blood pressure. In cancer care, they may result from cancer or its treatments and need special attention to manage daily health.

Autophagy is a natural process where cells clean out damaged parts and recycle them to stay healthy. It helps cells survive stress and fight infections. In cancer care, autophagy can have different effects—it may protect normal cells or sometimes help cancer cells survive. Patients might hear this term during discussions about diagnosis, treatment, or research related to cancer.

Autophagy Support and Fasting-Mimicking Strategies refer to ways people try to encourage the body’s natural process of recycling damaged cells, often through fasting or special diets. These approaches are discussed in cancer care for nutrition and metabolic support but are not standard treatments. Always talk with your healthcare team before trying fasting or diet changes during cancer treatment, as these can have risks.

Autophagy support and fasting-mimicking strategies are ways some people try to encourage the body’s natural process of recycling damaged cells, often through fasting or special diets. These approaches are sometimes discussed in cancer care but are not standard treatments. It’s important to talk with your healthcare team before trying fasting or diet changes during cancer treatment, as they can carry risks.

Autophagy-oriented diets are nutrition plans aimed at supporting the body’s natural process of cleaning out damaged cells. In cancer care, they are discussed for their potential to help metabolism, reduce inflammation, improve digestion, boost immune health, and ease treatment side effects. These diets are not standard cancer treatments and should be used only with guidance from your healthcare team to ensure safety and avoid interfering with your care.

Autosomal refers to the 22 pairs of numbered chromosomes found in most human cells, excluding the sex chromosomes (X and Y). These chromosomes carry many genes that influence health, including some related to cancer risk. The term helps explain genetic test results and treatment plans but does not by itself indicate a diagnosis or health outcome.

Autosomal dominant inheritance is a way genetic traits or conditions, including some cancer risks, can be passed from parent to child. If a parent carries a changed gene, each child has about a 50% chance of inheriting it. Knowing this helps patients and families understand health risks and make informed choices about testing and care.

Autosomal recessive inheritance is a way genetic traits or conditions are passed from parents to children. A child must inherit a changed gene from both parents to have the condition. Parents usually don’t show symptoms but can pass the gene on. This pattern helps explain some inherited cancer risks and guides genetic testing and care decisions.

Avage is a skin medicine related to vitamin A, used to treat certain skin conditions. It is a synthetic retinoid applied directly to the skin and is being studied for treating basal cell skin cancer and basal cell nevus syndrome. Also known as tazarotene or Tazorac, Avage works by activating genes that may help slow or stop the growth of some abnormal skin cells.

Avandia, also called rosiglitazone maleate, is a medicine originally used to control blood sugar in people with diabetes. It is being studied for its possible role in slowing cancer cell growth and blocking new blood vessels that tumors need to grow. While not a standard cancer treatment, Avandia may come up in research or clinical trials related to cancer care.

Avapritinib, also called Ayvakit, is a targeted cancer medicine used mainly to treat adults with advanced systemic mastocytosis and certain gastrointestinal stromal tumors (GIST) that have specific genetic mutations. It works by blocking proteins that help cancer cells grow. Patients may hear about avapritinib when doctors discuss treatment options based on genetic testing of the cancer.

Avascular necrosis is a condition where bone tissue dies because it doesn’t get enough blood. It often affects joints like the hips, knees, shoulders, and ankles. This can happen due to long-term steroid use, injuries, alcohol use, or diseases including cancer. Understanding this condition is important for patients, especially those undergoing cancer treatments that might affect bone health.

Avastin is a cancer medicine containing bevacizumab that helps slow tumor growth by blocking a protein called VEGF. This protein helps tumors grow new blood vessels needed for their growth. Avastin is used alone or with other treatments for cancers such as cervical, colorectal, lung, kidney, brain, liver, and ovarian cancers. It is a targeted therapy aimed at cutting off the tumor’s blood supply.

Avelox, also called moxifloxacin hydrochloride, is an antibiotic used to treat bacterial infections. It belongs to a group of drugs called fluoroquinolones. In cancer care, Avelox may be prescribed to prevent or treat infections, especially when treatments like chemotherapy weaken the immune system. It helps manage infections that could complicate cancer treatment but is not a cancer therapy itself.

Avelumab (brand name Bavencio) is a medicine that helps the immune system fight certain advanced cancers. It works by blocking a protein called PD-L1, which some cancer cells use to hide from immune cells. Avelumab is used to treat advanced kidney cancer, bladder cancer, and a rare skin cancer called Merkel cell carcinoma. It may be given alone or with other treatments to help the body attack cancer cells more effectively.

Aventyl, also called nortriptyline or Pamelor, is a medication mainly used to treat depression. It can also help with anxiety, certain types of pain, and quitting smoking. Aventyl works by increasing natural brain chemicals that improve mood and reduce cravings. In cancer care, it may be prescribed to support emotional health or manage symptoms related to treatment or illness.

Avita is a skin cream containing tretinoin, a form of vitamin A, mainly used to treat acne. In cancer care, it may be recommended to help manage skin problems caused by treatments like chemotherapy or radiation. Avita is not a cancer treatment but a supportive option to keep skin healthy and comfortable during or after cancer therapy.

AVN944 is an experimental drug being studied for cancer treatment. It works by blocking an enzyme needed for cells to make DNA and RNA, which may help stop cancer cells from growing. AVN944 is not yet approved for regular use but may be offered in clinical trials as a new treatment option.

Avodart, also known as dutasteride or GG745, is a medication used to treat symptoms of an enlarged prostate gland, a common condition in older men. It works by blocking enzymes involved in making male hormones that affect prostate growth. Avodart is also being studied for its potential to help prevent or manage prostate cancer and male hair loss. Patients may hear about Avodart during discussions about prostate health or cancer prevention.

Avoidance means staying away from people, places, or thoughts that cause anxiety or unpleasant feelings. In cancer care, it can affect how patients cope with their diagnosis, treatment, or follow-up. Avoidance is a natural emotional response but doesn’t always mean refusal of care. Understanding avoidance helps patients and caregivers recognize emotional reactions and communicate openly with their healthcare team.

Axicabtagene ciloleucel, also called Yescarta, is a treatment for certain types of B-cell lymphoma that have returned or not improved after other therapies. It uses a patient’s own immune cells, changed in a lab to better find and attack cancer. This therapy is a form of CAR T-cell immunotherapy and is mainly used for adults with specific lymphoma types.

The axilla is the medical term for the underarm or armpit area. It contains lymph nodes that doctors often check to see if cancer has spread. You might hear this word during doctor visits, in medical reports, or treatment plans. Knowing what axilla means can help you understand your care and ask questions about your diagnosis and treatment.

Axillary refers to the armpit area of the body, including the lymph nodes located there. These lymph nodes are important in cancer care because they can show if cancer has spread beyond its original site. You might hear this term during doctor visits, in test results, or treatment plans, especially in breast cancer care. Understanding what axillary means can help you follow your care and ask informed questions.

Axillary dissection, also called axillary lymph node dissection, is surgery to remove lymph nodes from the armpit area. It helps doctors check if cancer has spread beyond the original tumor. This procedure is often part of breast cancer care and guides treatment decisions. Having this surgery does not always mean cancer is found in the lymph nodes; it is done to learn more about the cancer’s stage.

Axillary lymph nodes are small, bean-shaped glands located in the armpit (underarm) area. They help filter lymph fluid from the breast and nearby tissues. Doctors often check these lymph nodes to see if cancer has spread beyond the breast, which helps guide diagnosis and treatment decisions. You might hear about them during breast cancer care or other cancers near the armpit.

Axillary lymph node dissection is surgery to remove lymph nodes from the armpit area. It helps doctors check if cancer has spread beyond the original tumor. This procedure is often part of breast cancer care and guides treatment decisions. Having this surgery does not always mean cancer is found in the lymph nodes; it is done to learn more about the cancer’s stage.

Axitinib, also called Inlyta, is a targeted medicine used to treat advanced kidney cancer. It works by blocking proteins that help cancer cells grow and by stopping new blood vessels from forming around tumors. Axitinib can be given alone or with other drugs, especially when previous treatments have not worked. It is also being studied for use in other cancers.

Ayurveda, also called Ayurvedic medicine, is a traditional healing system from India that has been used for thousands of years. It focuses on cleansing the body and restoring balance among the body, mind, and spirit through diet, herbs, exercise, meditation, and other natural methods. Ayurveda is considered a type of complementary and alternative medicine (CAM) and may be discussed as part of supportive care during cancer treatment.

Ayurvedic Cancer Diets are nutrition plans based on Ayurveda, an ancient Indian healing system. These diets focus on natural foods and herbs to support nutrition, digestion, immune health, and treatment tolerance during cancer care. They may be used alongside conventional treatments or as alternative approaches. It is important to discuss their safety and effectiveness with your healthcare team before use.

Ayurvedic medicine, also called Ayurveda, is a traditional healing system from India that has been used for thousands of years. It aims to cleanse the body and restore balance among body, mind, and spirit using diet, herbs, exercise, meditation, and other natural methods. It is considered a type of complementary and alternative medicine (CAM) and may be discussed as part of supportive care during cancer treatment.

Ayvakit (avapritinib) is a targeted cancer medicine used mainly to treat adults with advanced systemic mastocytosis, a rare disease with too many mast cells, and certain gastrointestinal stromal tumors (GIST) that have specific genetic mutations. It works by blocking proteins that help cancer cells grow, offering a personalized treatment option based on the cancer’s unique features.

Azacitidine is a medicine used to treat certain blood cancers, including some types of leukemia and myelodysplastic syndromes. It works by interfering with cancer cells’ ability to make DNA, which can slow or stop their growth. Azacitidine is available under brand names like Onureg and Vidaza and may be part of a treatment plan for adults and children with specific blood cancers.

Azaspirane, also called atiprimod or SK&F106615, is an experimental drug studied for certain advanced cancers like multiple myeloma. It may help slow tumor growth by blocking signals cancer cells use and by preventing new blood vessels from forming, which tumors need to grow. Azaspirane is not yet a standard treatment and is mainly available through research studies or clinical trials.

Azathioprine sodium is a medication that lowers the activity of the immune system. It is often used to prevent the body from rejecting a transplanted kidney and to treat autoimmune diseases like rheumatoid arthritis. By slowing the growth of white blood cells, it helps protect the body or transplanted organs from damage caused by an overactive immune response.

AZD0530, also known as saracatinib, is an experimental drug studied for treating some cancers. It works by blocking enzymes called tyrosine kinases that cancer cells need to grow. AZD0530 is not yet an approved treatment and is mainly available through clinical trials or research studies. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

AZD2171, also called cediranib maleate or Recentin, is a drug being studied to treat some cancers. It works by blocking the growth of new blood vessels that tumors need to grow. This type of medicine is called an antiangiogenesis agent. AZD2171 is not yet a standard treatment but may be offered in clinical trials or specialized care.

AZD2281, also called olaparib or Lynparza, is a targeted cancer drug used to treat certain prostate, pancreatic, breast, ovarian, fallopian tube, and primary peritoneal cancers. It works by blocking an enzyme that helps cancer cells repair damaged DNA, which can cause the cancer cells to die. It may be used alone or with other treatments and is often linked to genetic testing for specific gene mutations.

AZD6244, also called selumetinib or Koselugo, is a medicine used to treat children aged 2 and older with neurofibromatosis type 1 (NF1). It helps shrink nerve tumors called plexiform neurofibromas that cause symptoms and cannot be removed by surgery. AZD6244 works by blocking proteins that help these tumors grow. It is also being studied for use in some cancers.

Azedra is a medicine that uses a radioactive form of iodine to treat rare tumors called malignant pheochromocytoma or paraganglioma in adults and children aged 12 and older. It works by targeting tumor cells and delivering radiation to help kill them. Azedra is used when these tumors have spread or cannot be removed by surgery and is also being studied for other cancers.

Azoospermia is a condition where a man’s semen contains no sperm. This can happen if the body doesn’t produce sperm or if sperm is blocked from mixing with the semen. It can be caused by hormone problems, genetic factors, surgery like vasectomy, or cancer treatments. Azoospermia can affect fertility and is often discussed during cancer care or fertility evaluations.

Azoxymethane is a chemical used in research to cause colon tumors in lab animals. This helps scientists study colon cancer and test new treatments or prevention methods. Patients may see this term in research or clinical trial information, but it is not part of patient care or treatment. This entry helps connect the word with diagnoses, testing, treatments, supportive care, research notes, protocols, media, books, people, organizations, and safety concerns.

AZQ, also called diaziquone, is a cancer medicine that can cross into the brain and spinal cord to help kill cancer cells there. It is sometimes used when treatment needs to reach the central nervous system. Patients may hear this term during discussions about brain or nervous system cancers or see it in medical reports related to these areas.

AZT, also called zidovudine, is a medicine used to treat HIV, the virus that causes AIDS. While AZT is not a cancer drug, it may be mentioned in cancer care because people with HIV have a higher risk of some cancers. Knowing about AZT can help patients and caregivers understand its role in managing HIV alongside cancer treatment.

The azygos vein is a blood vessel that runs along the right side of the spine, carrying blood from the back of the chest and abdomen back to the heart. It is often mentioned in cancer care when doctors review scans or plan treatments involving the chest area. Knowing about this vein can help you understand medical reports and discussions about your care.