<prompt> Acute pancreatitis causes all exceptPleural effusionPseudocystGallbladder stonePancreatic necrosis  <response>: Complications of Acute pancreatitis Sterile and infected peripancreatic fluid collections Pancreatic necrosis and infected necrosis Pancreatic pseudocyst Pancreaticopleural fistula Vascular complications Pancreaticocutaneous fistula Ref: Sabiston 20th edition Pgno : 1524-1528 