1. Department of General Surgery, Xiangya Hospital Central South University Changsha People's Republic of China
2. Key Laboratory of Molecular Radiation Oncology Hunan Province Changsha People's Republic of China
3. National Clinical Research Center for Geriatric Disorders (Xiangya Hospital) Central South University Changsha People's Republic of China
4. Department of Hepatobiliary Surgery, Hunan Provincial People's Hospital The First Affiliated Hospital of Hunan Normal University Changsha People's Republic of China
5. Department of Cancer Prevention and Control, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine Central South University Changsha People's Republic of China
6. Department of Gastroenterology, The Third Xiangya Hospital Central South University Changsha People's Republic of China
7. Department of Pathology, Xiangya Hospital Central South University Changsha People's Republic of China
8. Institute of Medical Sciences, Xiangya Hospital Central South University Changsha People's Republic of China