Fig. 1
From: Utilization of a new technology of 3D biliary CT for ERCP-related procedures: a case report
a Magnetic resonance imaging. A metastasis in the biliary hilar region of the liver caused type IV biliary obstruction and bilateral intrahepatic bile duct dilation. b: ERCP imaging. PS had already been placed in the left intrahepatic bile duct (branch of B3 and B2) and right intrahepatic bile duct (B5 and B7). ERCP, endoscopic retrograde cholangiopancreatography; PS, plastic stent