[Lower intestinal hemorrhage].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003093:Colitis, Ulcerative / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy; D005260:Female; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000175:diagnosis*