1. Department of Abdominal Surgery Integrated Hospital of Traditional Chinese Medicine Southern Medical University Guangzhou China
2. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation Medical Research Center Sun Yat‐Sen Memorial Hospital Sun Yat‐Sen University Guangzhou China
3. Department of Gastroenterology Guangzhou Overseas Chinese Hospital Jinan University Guangzhou China
4. Department of Radiotherapy Affiliated Cancer Hospital & Institute of Guangzhou Medical University Guangzhou China
5. Department of Pathophysiology School of Medicine Jinan University Guangzhou China
6. Liver Center and Gastrointestinal Division Massachusetts General Hospital Harvard Medical School Boston MA USA