Keywords: زهکشی صفراوی از طریق پوستی; Percutaneous Biliary Drainage; Cholecystostomy; Internal Biliary Drainage; Lumen-Apposing Metal Stent; EUS; endoscopic ultrasound; LAMS; lumen-apposing metal stent; PC; percutaneous cholecystostomy; SEMS; self-expandable metal stent;