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Values are presented as number, median (range) or number (%).
ASA, American Society of Anesthesiologists; PTBD, percutaneous transhepatic biliary drainage; ENBD, endoscopic nasobiliary drainage; ERBD, endoscopic retrograde biliary drainage; CEA, carcinoembryonic antigen; CA 19-9, Carbohydrate antigen 19-9.
