Y-C Li1, H-H Kuo1, M-H Cheng2, C-L Li1. 1. Department of Obstetrics and Gynecology, Division of Gynecologic Endoscopy, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City, Taiwan. 2. Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City, Taiwan.