Fig. 1From: Well-concealed advanced duodenal carcinoma with Muir–Torre syndrome: a case report and review of literatureA Upper gastrointestinal endoscopy revealing a type 2 tumor in the third duodenal portion. B Upper gastrointestinal series revealing that contrast medium was unable to pass the third duodenal portion. C Computed tomography revealing the stricture in the third duodenal portion, but no mass could be identified. The stomach and duodenum are shown dilatedBack to article page