1. Department of Oncology, 5th Medicial Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
2. Department of Pathology, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
3. School of Medicine, Nankai University, 94 Weijin Road, Nankai, Tian Jin, 300071, China
4. Department of Thoracic Surgery, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China