title: RECTAL DUPLICATION LINED BY GASTRIC MUCOSA IN AN ADULT.
mesh_terms: D000328:Adult; D000013:Congenital Abnormalities; D005753:Gastric Mucosa; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D008467:Meckel Diverticulum; D011127:Polyps; D012004:Rectal Neoplasms; D012007:Rectum; D013514:Surgical Procedures, Operative
keywords: ABNORMALITIES; GASTRIC MUCOSA; HEMORRHAGE, GASTROINTESTINAL; MECKEL'S DIVERTICULUM; POLYPS; RECTAL NEOPLASMS; RECTUM; SURGERY, OPERATIVE