[1] Zhengzhou Univ, Affiliated Canc Hosp, Henan Canc Hosp, Dept Thorac Surg, 127 Dongming Rd, Zhengzhou 450008, Henan, Peoples R China
[2] Chinese Acad Med Sci, Peking Union Med Coll, Canc Inst & Hosp, Dept Thorac Surg, Beijing 100021, Peoples R China
[3] Zhengzhou Univ, Affiliated Canc Hosp, Henan Canc Hosp, Dept Anesthesiol, Zhengzhou 450008, Henan, Peoples R China