Cholecystectomy 1 Drainage 1 Endoscopy 1 Humans 1 Necrosis 1 Pancreas 1 Pancreatitis, Acute Necrotizing 1 Short Survey 1 Treatment Outcome 1 abdominal pain 1 acute hemorrhagic pancreatitis 1 acute pancreatitis 1 adult 1 bile duct dilatation 1 bile duct fistula 1 biliary tract surgery 1 case report 1 cholecystectomy 1 cholelithiasis 1 clinical article 1 common bile duct stone 1 computer assisted tomography 1 contrast medium extravasation 1 diagnostic imaging 1 direct endoscopic necrosectomy 1 disease exacerbation 1 disease severity 1 endoscopic retrograde cholangiopancreatography 1 endoscopic surgery 1 endoscopic transgastric cholecystectomy