Successful stent-in-stent dilatation of the common bile duct through a duodenal prosthesis, a novel technique for malignant obstruction: A case report and review of literature

Figure 2 Esophagogastroduodenoscopy findings 15 mo after initial endoscopic retrograde cholangiopancreatography. A: Duodenal mass visualized encroaching in the lumen of 2^nd portion of duodenum; B: SEMS placed over the area of the encroaching mass in the 2^nd portion of the duodenum. SEMS: Self expanding metal stent.