The gallbladder is shrunken, with intraluminal air bubbles. The hepatic flexure of colon adheres to gallbladder with visible fistulous tract.
Sigmoid diverticulosis: sigmoid wall thickening, many diverticula (non-inflamed) and luminal narrowing. There is ovoid foreign body within sigmoid lumen in keeping with a migrated gallbladder stone.
Left adrenal adenomas, bilateral simple renal cysts, duodenal diverticula.