Study of Laparoendoscopic Single Site Hysterectomy in Benign and Preinvasive Uterine Disease

Inclusion Criteria: * Patient who undergo laparoscopic assisted vaginal hysterectomy due to following gynecologic disease 1. uterine leiomyoma 2. uterine adenomyosis 3. Endometrial hyperplasia 4. cervical intraepithelial neoplasia including carcinoma in situ 5. Dysfunctional uterine bleeding 6. Other benign gynecologic disease requiring hysterectomy * American Society of Anesthesiologists Physical Status classification I-II * Patient who have signed an written informed consent Exclusion Criteria: * Uncontrolled medical disease * Active infectious disease * Previous pelvic radiation therapy * Patient who requiring further procedure excluding hysterectomy, unilateral or bilateral salpingooophorectomy / salpingectomy / oophorectomy * Patient who undergoes subtotal hysterectomy * Patient who have other pain source excluding gynecologic disease * Pregnancy and lactating woman