[1] Guangzhou Med Univ, Oncol, Guangzhou, Peoples R China
[2] Natl Ctr Resp Med, Thorac Surg & Oncol, Guangzhou, Peoples R China
[3] Guangzhou Med Univ, Thorac Oncol Dept, Guangzhou, Peoples R China
[4] Guangzhou Med Univ, Thorac Oncol, Affiliated Hosp 1, Guangzhou, Peoples R China
[5] Guangzhou Med Univ, Thorac Surg & Oncol, Affiliated Hosp 1, Guangzhou, Peoples R China