Affiliation: | 1.Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.;2.Department of Internal Medicine, Cheju Halla General Hospital, Jeju, Korea.;3.Department of Radiology, Korea University College of Medicine, Seoul, Korea.;4.Department of Surgery, Korea University College of Medicine, Seoul, Korea.;5.Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea. |