Fibreoptic colonoscopy.
D001466:Barium Sulfate; D003106:Colon; D004241:Diverticulum, Colon / Q000175:diagnosis / Q000000981:diagnostic imaging; D019723:Endoscopes; D004724:Endoscopy; D005336:Fiber Optic Technology; D006801:Humans; D011859:Radiography
D001466:Barium Sulfate