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.

J-pouch colorectal anastomosis
(… powch KOH-loh-REK-tul uh-NAS-toh-MOH-sis)
A surgical procedure in which the colon is attached to the remainder of the rectum after most of it has been removed during surgery for rectal cancer. A 2-inch to 4-inch section of the colon is formed into a J-shaped pouch to store stool until it can be eliminated.