Hamartomatous inverted polyps of the rectum.
D000230:Adenocarcinoma; D000293:Adolescent; D000328:Adult; D002828:Choristoma; D003937:Diagnosis, Differential; D005260:Female; D006222:Hamartoma; D006801:Humans; D008297:Male; D011006:Pneumatosis Cystoides Intestinalis; D011127:Polyps; D012004:Rectal Neoplasms