1. Department of Urology, Xiangya Hospital, Central South University, Changsha, P.R. China.
2. Department of Radiology, Xiangya Hospital, Central South University, Changsha, P.R. China.
3. Department of Gynecologic Oncology, Hunan Provincial Tumor Hospital and Affiliated Tumor Hospital of Xiangya Medical School, Central South University, Changsha, P.R. China.