CT abdomen demonstrates a 7 mm calculus in the distal common bile duct with mild intra and extrahepatic biliary dilatation, in keeping with obstructive choledocholiathiasis.
The gallbladder wall is thickened, irregular and enhancing with mild pericholecystic fat stranding, suggestive of cholecystitis. Gallbladder fundus diverticulum noted.