1. Department of Surgery, Chang Gung Memorial Hospital, Kaohsiung Medical Center College of Medicine, Chang Gung University, Niao-Sung Hsiang, Kaohsiung Hsien, Taiwan
2. Department of Pathology, Chang Gung Memorial Hospital, Kaohsiung Medical Center College of Medicine, Chang Gung University, Niao-Sung Hsiang, Kaohsiung Hsien, Taiwan
3. Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Kaohsiung Medical Center College of Medicine, Chang Gung University, Niao-Sung Hsiang, Kaohsiung Hsien, Taiwan