title: Congenital duodenal web in an adult.
mesh_terms: D000328:Adult; D001630:Bezoars / Q000150:complications; D004380:Duodenal Obstruction / Q000151:congenital* / Q000175:diagnosis / Q000601:surgery; D004386:Duodenum / Q000002:abnormalities* / Q000196:embryology / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008551:Melena / Q000150:complications; D008875:Middle Aged