There is gas within the intra- and extra-hepatic biliary tree. The gall bladder and adjacent duodenum are thick walled and inflamed with a fistula between the two structures. The small bowel is distended and there is a 5 cm stone in the lumen at the transition point. No other similar intraluminal filling defects are noted.
Incidental findings include an area of rounded atelectasis in the left lower lobe, cardiomegaly, bilateral inguinal hernia and an enlarged prostate.