Congenital prepyloric web.
D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011706:Pyloric Antrum / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011707:Pyloric Stenosis / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography