[1] Chung-Ang University College of Medicine,Department of Surgery
[2] Seoul National University College of Medicine,Department of Surgery and Cancer Research Institute
[3] Seoul National University Hospital,Department of Internal Medicine and Cancer Research Institute
[4] Seoul National University College of Medicine,Department of Radiology
[5] Seoul National University Hospital,Department of Pathology
[6] Seoul National University College of Medicine,undefined
[7] Seoul National University Hospital,undefined
[8] Seoul National University College of Medicine,undefined
[9] Seoul National University Hospital,undefined