title: Duodenal duplication (or pancreatic bladder) presenting as double gallbladder.
mesh_terms: D002675:Child, Preschool; D004386:Duodenum / Q000002:abnormalities* / Q000196:embryology; D005704:Gallbladder / Q000002:abnormalities* / Q000196:embryology / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology