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Post contrast CT in portal venous phase imaging showing a gall bladder which is not normal. GB is very inflamed with ill-defined fluid collections adjacent to gall Bladder, anterior to liver, inflammatory changes in the ascending colon, hepatic flexure and duodenum. Air in the GB fossa and in duodenum, should increase the radiologist's suspicion for a complication of chronic cholecystitis like a cholecystoduodenal fistula.