[1] Chinese Acad Med Sci, Canc Inst & Hosp, Natl Off Canc Prevent & Control, Beijing 100730, Peoples R China
[2] Natl Canc Inst, Canc Prevent Div, Bethesda, MD USA
[3] Hunan Canc Hosp, Changsha, Hunan, Peoples R China
[4] Zhejiang Canc Hosp, Hangzhou, Zhejiang, Peoples R China
[5] Chinese Acad Med Sci, Canc Hosp, Dept Thorac Surg, Beijing 100730, Peoples R China
[6] Chinese Acad Med Sci, Canc Hosp, Dept Imaging Diag, Beijing 100730, Peoples R China
[7] Chinese Acad Med Sci, Canc Hosp, Dept Colorectal Canc Surg, Beijing 100730, Peoples R China