title: Clinical diagnosis of carcinoma of colon and rectum.
mesh_terms: D001466:Barium Sulfate; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004724:Endoscopy; D004733:Enema; D006801:Humans; D010808:Physical Examination; D011351:Proctoscopy; D011859:Radiography; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012812:Sigmoidoscopy
chemical_list: D001466:Barium Sulfate