Fig. 2From: Pleural empyema caused by dropped gallstones after laparoscopic cholecystectomy for acute cholecystitis: a case reportChest radiography and CT at the time of pleural empyema diagnosis. a Chest radiography reveals a large amount of right pleural effusion. b Chest CT shows a large amount of right pleural effusion with passive atelectasis. c, d Abdominal CT shows perihepatic fluid collection (arrowhead) and multiple small radiopaque density masses (arrow)Back to article page