[X-ray diagnosis of round filling defect in the duodenum (author's transl)].
D000293:Adolescent; D000328:Adult; D004378:Duodenal Diseases / Q000000981:diagnostic imaging*; D004379:Duodenal Neoplasms / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010179:Pancreas / Q000002:abnormalities; D011859:Radiography