Rectal bleeding with special reference to cancer of the large intestine.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003672:Defecation; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006484:Hemorrhoids / Q000175:diagnosis; D006801:Humans; D007414:Intestinal Neoplasms / Q000453:epidemiology; D008875:Middle Aged; D010808:Physical Examination; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*; D013997:Time Factors