1. Department of Obstetrics and Gynecology, Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si, Gyeonggi-do, Korea;
2. Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si, Gyeonggi-do, Korea;
3. Department of Radiology, CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi-do, Korea