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.