title: Fiberoptic colonoscopy.
mesh_terms: D001466:Barium Sulfate; D003106:Colon / Q000000981:diagnostic imaging; D003110:Colonic Neoplasms / Q000175:diagnosis; D004724:Endoscopy; D004733:Enema; D005336:Fiber Optic Technology; D006801:Humans; D011127:Polyps / Q000175:diagnosis; D011859:Radiography
chemical_list: D001466:Barium Sulfate