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.

appendectomy
(A-pen-DEK-toh-mee)
Surgery to remove the appendix (small finger-shaped pouch at the end of the first part of the large intestine).