1. Department of Oncology, The First People’s Hospital of Chongqing Liang Jiang New Area, Chongqing 401121, China
2. Department of General Surgery, The First People’s Hospital of Chongqing Liang Jiang New Area, Chongqing 401121, China
3. Department of Pathology, The First People’s Hospital of Chongqing Liang Jiang New Area, Chongqing 401121, China
4. Departments of Obstetrics and Gynecology, The First People’s Hospital of Chongqing Liang Jiang New Area, Chongqing 401121, China
5. Department of Oncology, Chongqing General Hospital, Chongqing 400010, China
6. Department of Internal Medicine, The Chongqing Red Cross Hospital, Chongqing 400021, China