NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,916 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.

cecum
(SEE-kum)
A pouch that forms the first part of the large intestine. It connects the small intestine to the colon, which is part of the large intestine.