Fig. 3From: Massive pneumoretroperitoneum arising from emphysematous cholecystitis: a case report and the literature reviewIntraoperative photograph. After mobilization of the right-sided colon, the retroperitoneal space became obvious with an odor-free foamy abscess along the loose connective tissue of the retroperitoneum (black arrowheads). The gallbladder exhibited acute gangrenous cholecystitis with a destructed wall. GB: gallbladder, RK: right kidney, A: appendix, RC: right-sided colonBack to article page