Juvenile polyps of the rectum and colon.
D002648:Child; D002675:Child, Preschool; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000601:surgery; D005260:Female; D006471:Gastrointestinal Hemorrhage; D006222:Hamartoma / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D007223:Infant; D008297:Male; D011127:Polyps / Q000175:diagnosis / Q000601:surgery; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000601:surgery