1. Research Center, The Fourth Hospital of Hebei Medical University , Jiankang Road 12, Shijiazhuang 050011 , China
2. Key Laboratory of Tumor Gene Diagnosis, Prevention and Therapy; Clinical Oncology Research Center , Hebei Province, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011 , China
3. Thoracic Surgery Department, The Fourth Hospital of Hebei Medical University , Jiankang Road 12, Shijiazhuang 050011 , China