title: Pyloric duplication presenting with hemorrhagic ascites.
mesh_terms: D001201:Ascites / Q000209:etiology*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000473:pathology; D006801:Humans; D007223:Infant; D008297:Male; D009852:Omentum / Q000473:pathology; D011708:Pylorus / Q000002:abnormalities* / Q000473:pathology