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NCI Dictionary of Cancer Terms

J-pouch colorectal anastomosis  listen  (… 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.