Partial stent-in-stent placement of biliary metallic stents using a short double-balloon enteroscopy

Figure 1 The hilar biliary obstruction due to liver metastasis occupying the right lobe and a dilated left intrahepatic bile duct with tumor invasion extending to the bifurcation of the lateral bile duct branch. A: Computed tomography image; B: Cholangiography.

Figure 2 A partial stent-in-stent placement of biliary metallic stents using a short double-balloon enteroscopy. A: Following the placement of the first self-expandable metallic stent (SEMS), balloon dilation was performed at the stricture; B: The second SEMS was deployed through the mesh of the initial SEMS.