1. Guangdong Esophageal Cancer Institute Guangzhou China
2. Department of Thoracic Oncology Sun Yat‐sen University Cancer Center Guangzhou China
3. State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
4. Department of Thoracic Surgery, The First Affiliated Hospital Sun Yat‐sen University Guangzhou China