Figure 1From: A possible variant of Bouveret's syndrome presenting as a duodenal stump obstruction by a gallstone after Roux-en-Y gastrectomy: a case report Magnetic resonance cholangiopancreatography (a). and computed tomography (b) images showing a large filling defect in the duodenal stump, which had caused duodenal stump obstruction and extrinsic bile duct compression.Back to article page