Department of Thoracic Surgical Oncology;
National Cancer Center/Cancer Hospital;
Chinese Academy of Medical Sciences & Peking Union Medical College;
Beijing 100021;
China;
Department of Medical Oncology;
the First Affiliated Hospital of Xinxiang Medical University;
Xinxiang 453100;
China;
Department of Medical Oncology;
Central Hospital of Zibo;
Zibo 255036;
China;
Department of Medical Oncology;
National Cancer Center/Cancer Hospital;
Chinese Academy of Medical Sciences & Peking Union Medical College;
Beijing 100021;
China;
Department of Cancer Epidemiology;
National Cancer Center/Cancer Hospital;
Chinese Academy of Medical Sciences & Peking Union Medical College;
Beijing 100021;
China;