title: Value of proctosigmoidoscopy in clorectal carconoma.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis*; D000328:Adult; D000367:Age Factors; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D010173:Palpation; D011127:Polyps / Q000175:diagnosis; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D012812:Sigmoidoscopy