Institution: | 1. Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan;2. Division of Colon and Rectal Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan;3. Department of Anatomic Pathology, Chang Gung Memorial Hospital, Chiayi, Taiwan;4. Division of Urology, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan |