1. Department of Gastrointestinal Surgery Zhongnan Hospital of Wuhan University Wuhan Hubei China
2. Department of Gastric and Colorectal Surgical Oncology Zhongnan Hospital of Wuhan University Wuhan Hubei China
3. Hubei Key Laboratory of Tumor Biological Behaviors Wuhan Hubei China
4. Hubei Cancer Clinical Study Center Wuhan Hubei China
5. Department of Obstetrics and Gynecology Guangzhou Women and Children's Medical Center Guangzhou Guangdong China
6. Department of Internal Medicine Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital Zhengzhou China
7. Department of Pathology Zhongnan Hospital of Wuhan University Wuhan Hubei China