273 Similar Efficacies of Endoscopic Ultrasound-Guided Transmural and Percutaneous Drainage for Malignant Distal Biliary Obstruction

*Department of Internal Medicine, Division of Preventive Medicine, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, South Korea; Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine, Cheonan, South Korea; Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea; kDepartment of Internal Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Pusan, South Korea; Department of Internal Medicine, Inje University Ilsan Paik Hospital, Inje University School of Medicine, Ilsan, South Korea