Affiliation: | .Department of Gynecology, The Second Xiangya Hospital of Central South University, Changsha, 410011 Hunan Province China ;.Department of Minimal Invasive surgery, The Second Xiangya Hospital of Central South University, 139 Renmin Middle Road, Changsha, 410011 Hunan Province China ;.Department of General Surgery, The Second Xiangya Hospital of Central South UniversityChangsha, Changsha, 410011 Hunan Province China |