There is moderate intrahepatic biliary ductal dilatation in the right and left hepatic lobes most notably involving the right anterior and left medial hepatic segments with relative narrowing of the intrahepatic bile ducts towards the liver hilum. Pneumobilia is noted within the left hepatic lobe. There is no visible periductal infiltrative parenchymal changes near the liver hilum. Multiple rounded hyperdense filling defects are seen within the distended intrahepatic bile ducts in the right anterior hepatic segment, resembling biliary stones. The common bile duct is slightly enlarged measuring 8 mm. The gallbladder is surgically absent.