Affiliation: | 1. Department of Thoracic Surgery, Shandong Cancer Hospital and Institute, Jinan 250117, Shandong Province, China;2. Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Jinan 250117, Shandong Province, China;3. Department of Surgery, Shandong Cancer Hospital and Institute, Jinan 250117, Shandong Province, China |