Transmural disease of the alimentary tract.
D002908:Chronic Disease; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000601:surgery; D003424:Crohn Disease / Q000150:complications / Q000601:surgery; D004761:Enterocolitis, Pseudomembranous / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D007081:Ileostomy; D007412:Intestinal Fistula / Q000601:surgery