1 Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China. lunxu_liu@aliyun.com.
2 Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Sichuan University, Chengdu, China. lunxu_liu@aliyun.com.
3 Department of Lung Cancer Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.