3. Operative therapy for ulcerative colitis and Crohn's disease.
D003082:Colectomy; D003093:Colitis, Ulcerative / Q000601:surgery*; D003424:Crohn Disease / Q000601:surgery*; D006801:Humans; D007081:Ileostomy; D011183:Postoperative Complications / Q000517:prevention & control; D011300:Preoperative Care