1. Department of Oncology, General Hospital of Northern Theater Command, Shenyang 110016, China;
2. Department of Thoracic Surgery, Shengjing Hospital of China Medical University, Shenyang 110004, China;
3. College of Biological Resources and Food Engineering, Qujing Normal University, Qujing 655011, China;
4. Department of Oncology, Liaoyang City Third People's Hospital, Liaoyang 111000, China;
5. Department of Thoracic Surgery 4, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang 110042, China