NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

total-body irradiation
(TOH-tul-BAH-dee ih-RAY-dee-AY-shun)
Radiation therapy to the entire body. It is usually followed by bone marrow or peripheral stem cell transplantation.