NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,804 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.

TAC regimen
(… REH-jih-men)
An abbreviation for a chemotherapy combination used with other types of therapy to treat breast cancer. It includes the drugs docetaxel (Taxotere), doxorubicin hydrochloride (Adriamycin), and cyclophosphamide. Also called TAC.