Fig. 1From: Todani type III: like biliary dilatation with duodenal prolapse—a case reportMRCP shows dilation of the common bile duct (arrow), the pancreatic duct orifice is located in the wall of the dilated bile duct, and a filling defect can be seen in the duodenal cavity. At first it was considered a duodenal diverticulum, but later it was confirmed to be a herniated dilated bile duct (open arrow)Back to article page