Colonoscopy.
D003093:Colitis, Ulcerative / Q000175:diagnosis; D003108:Colonic Diseases / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis; D004241:Diverticulum, Colon / Q000175:diagnosis; D004724:Endoscopy / Q000379:methods*; D005471:Fluoroscopy; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis