1. Department of Radiology, the Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, 127 Dongming Rd, Zhengzhou 45008, China.
2. Department of Imaging, Dana-Farber Cancer Institute, Boston, MA.
3. Department of Gynecologic Oncology, the Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.