1. Department of Thoracic Surgery Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China
2. Department of Radiation Oncology, Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan China
3. Department of Respiratory and Critical Care Medicine Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China
4. Department of Pathology Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China