1Department of Surgery, Seoul National University Hospital, Seoul 03080, Korea
2Department of Radiology, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul 07061, Korea
3Department of Pathology, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul 07061, Korea
4Department of Surgery, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul 07061, Korea JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/