case_images: PMC5786245_01
case_images: MRCP showing an obstruction of the biliary tract (identified with red arrow) transitioning at the ampulla.
case_images: rjx259f01.jpg
case_images: PMC5786245_01_rjx259f01.jpg
case_images: rjx259F1
case_images: MRCP (Fig. 1) showed obstruction of the biliary tract transitioning at the ampulla.