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Glossary Terms
biological therapy (BY-oh-LAH-jih-kul THAYR-uh-pee)
Treatment to boost or restore the ability of the immune system to fight cancer, infections, and other diseases. Also used to lessen certain side effects that may be caused by some cancer treatments. Agents used in biological therapy include monoclonal antibodies, growth factors, and vaccines. These agents may also have a direct antitumor effect. Also called immunotherapy, biotherapy, biological response modifier therapy, and BRM therapy.
chemoembolization
A procedure in which the blood supply to the tumor is blocked surgically or mechanically and anticancer drugs are administered directly into the tumor. This permits a higher concentration of drug to be in contact with the tumor for a longer period of time.
chemotherapy (KEE-moh-THAYR-uh-pee)
Treatment with drugs that kill cancer cells.
clinical trial
A type of research study that tests how well new medical approaches work in people. These studies test new methods of screening, prevention, diagnosis, or treatment of a disease. Also called a clinical study.
cryosurgery (KRY-oh-SER-juh-ree)
A procedure in which tissue is frozen to destroy abnormal cells. This is usually done with a special instrument that contains liquid nitrogen or liquid carbon dioxide. Also called cryoablation.
hepatectomy (HEH-puh-TEK-toh-mee)
Surgery to remove all or part of the liver.
hyperthermia therapy (HY-per-THER-mee-uh THAYR-uh-pee)
A type of treatment in which body tissue is exposed to high temperatures to damage and kill cancer cells or to make cancer cells more sensitive to the effects of radiation and certain anticancer drugs.
liver
A large organ located in the upper abdomen. The liver cleanses the blood and aids in digestion by secreting bile.
liver cancer
Primary liver cancer is cancer that forms in the tissues of the liver. Secondary liver cancer is cancer that spreads to the liver from another part of the body.
localized
Restricted to the site of origin, without evidence of spread.
locally advanced cancer (... ad-VANST KAN-ser)
Cancer that has spread from where it started to nearby tissue or lymph nodes.
palliative therapy (PA-lee-uh-tiv THAYR-uh-pee)
Treatment given to relieve the symptoms
and reduce the suffering caused by cancer and other life-threatening
diseases. Palliative cancer therapies are given together with other cancer
treatments, from the time of diagnosis, through treatment, survivorship,
recurrent or advanced disease, and at the end of life.
percutaneous ethanol injection (per-kyoo-TAY-nee-us EH-thuh-nol in-JEK-shun)
An injection of ethanol (alcohol) through the skin directly into the tumor to kill cancer cells.
primary tumor
The original tumor.
quality of life
The overall enjoyment of life. Many clinical trials assess the effects of cancer and its treatment on the quality of life. These studies measure aspects of an individual’s sense of well-being and ability to carry out various activities.
radiation therapy (RAY-dee-AY-shun THAYR-uh-pee)
The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external-beam radiation therapy), or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy). Systemic radiation therapy uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood to tissues throughout the body. Also called radiotherapy and irradiation.
radiofrequency ablation (RAY-dee-oh-FREE-kwen-see uh-BLAY-shun)
The use of electrodes to heat and destroy abnormal tissue.
radiosensitizer (RAY-dee-oh-SEN-sih-TIZE-er)
A drug that makes tumor cells more sensitive to radiation therapy.
recurrent cancer (ree-KER-ent KAN-ser)
Cancer that has recurred (come back), usually after a period of time during which the cancer could not be detected. The cancer may come back to the same place as the original (primary) tumor or to another place in the body. Also called recurrence.
regional chemotherapy (REE-juh-nul KEE-moh-THAYR-uh-pee)
Treatment with anticancer drugs directed to a specific area of the body.
resectable (ree-SEK-tuh-bul)
Able to be removed by surgery.
stage
The extent of a cancer in the body. Staging is usually based on the size of the tumor, whether lymph nodes contain cancer, and whether the cancer has spread from the original site to other parts of the body.
standard therapy (...THAYR-uh-pee)
In medicine, treatment that experts agree is appropriate, accepted, and widely used. Health care providers are obligated to provide patients with standard therapy. Also called standard of care or best practice.
surgery (SER-juh-ree)
A procedure to remove or repair a part of the body or to find out whether disease is present. An operation.
symptom
An indication that a person has a condition or disease. Some examples of symptoms are headache, fever, fatigue, nausea, vomiting, and pain.
systemic chemotherapy (sis-TEH-mik KEE-moh-THAYR-uh-pee)
Treatment with anticancer drugs that travel through the blood to cells all over the body.
therapy (THAYR-uh-pee)
Treatment.
transplantation (tranz-plan-TAY-shun)
The replacement of tissue with tissue from the person’s own body or from another person.
tumor (TOO-mer)
An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumors may be benign (not cancerous), or malignant (cancerous). Also called neoplasm.
unresectable
Unable to be removed with surgery.
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Table of Links
| 1 | http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?diagnosis=38590&tt=1&a mp;format=1 |
| 2 | http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?diagnosis=38601&tt=1&a mp;format=1 |
| 3 | http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?diagnosis=38631&tt=1&a mp;format=1 |
| 4 | http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?diagnosis=38637&tt=1&a mp;format=1 |
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