State Key Laboratory of Oncology in South China;
Guangzhou;
Guangdong 510060;
P. R. China;
Department of Thoracic Surgery;
Department of Radio-Oncology;
SDepartment of Pathology;
Sun Yat-sen University Cancer Center;
Guangzhou;
Guangdong 510060;
P. R. China;
Department of Thoracic Surgery;
The Second Affiliated Hospital of Fourth Military Medical University. Xi'an. Shanxi 710038;
P.R.China;