Surgery of the rectum and colon.
D002430:Cecal Neoplasms / Q000601:surgery*; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000601:surgery; D003110:Colonic Neoplasms / Q000601:surgery*; D004239:Diverticulitis, Colonic / Q000601:surgery; D006801:Humans; D011300:Preoperative Care; D012005:Rectal Prolapse / Q000601:surgery