Flexible fiberoptic sigmoidoscopy.
D003110:Colonic Neoplasms / Q000175:diagnosis*; D005336:Fiber Optic Technology / Q000295:instrumentation; D006801:Humans; D012811:Sigmoid Neoplasms / Q000175:diagnosis; D020694:Sigmoidoscopes; D012812:Sigmoidoscopy / Q000379:methods