1. Department of Thoracic Surgery, Peking Union Medical College Hospital, Beijing, China
2. School of medicine, Tsinghua University, Beijing, China
3. Department of Pathology, Peking Union Medical College Hospital, Beijing, China
4. Medical Department, Burning Rock Biotech, Beijing, China
5. Department of Gastro-intestinal Medicine, Peking Union Medical College Hospital, Beijing, China
6. Department of Gastro-intestinal Medicine, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China