MRI and MRCP abdomen without contrast showing distended stomach to the level of the mid descending segment of the duodenum, at which level there is diffuse mucosal wall thickening (white arrow). There is also intra and extrahepatic biliary ductal dilatation and prominence of the common bile duct to the level of the ampulla (arrowhead). No extraluminal mass is identified.MRI: magnetic resonance imaging; MRCP: magnetic resonance cholangiopancreatography.