Cyst of Brunner's glands.
D001466:Barium Sulfate; D003560:Cysts / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D004378:Duodenal Diseases / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D005774:Gastrostomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
D001466:Barium Sulfate