NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,179 terms related to cancer and medicine.

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chemotherapy
(KEE-moh-THAYR-uh-pee)
Treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Chemotherapy may be given by mouth, injection, or infusion, or on the skin, depending on the type and stage of the cancer being treated. It may be given alone or with other treatments, such as surgery, radiation therapy, or biologic therapy.