Flexible fiberoptic sigmoidoscopy in the practice of a surgeon.
D003110:Colonic Neoplasms / Q000175:diagnosis / Q000601:surgery; D005336:Fiber Optic Technology / Q000295:instrumentation; D013502:General Surgery; D006801:Humans; D007415:Intestinal Obstruction / Q000601:surgery; D007417:Intestinal Polyps / Q000175:diagnosis / Q000601:surgery; D012812:Sigmoidoscopy