Affiliation: | (1) Division of Hepatobiliary and Pancreas, Department of Surgery, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea;(2) Division of Gastroenterology, Yonsei University College of Medicine, Seoul, South Korea;(3) Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea;(4) Department of Radiologic Oncology, Yonsei University College of Medicine, Seoul, South Korea;(5) Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea;(6) Division of Medical Oncology, Yonsei University College of Medicine, Seoul, South Korea;(7) Department of Pathology, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea;(8) Pancreaticobiliary Cancer Clinic, Institute of Gastroenterology, Yonsei University Health System, Seoul, South Korea;(9) Young Yonsei Panceatic Tumor Study Group, Seoul, South Korea; |