[Wang, Jian; Liu, Li; Liu, Huan; Zhu, Hong; Liu, Qiong; Zhou, Yangying; Zeng, Manting] Cent S Univ, Xiangya Hosp, Dept Oncol, 87 Xiangya Rd, Changsha 410008, Hunan, Peoples R China.
[He, Jiaofeng] Hunan Acad Tradit Chinese Med, Dept Oncol, Affiliated Hosp, Changsha 410008, Hunan, Peoples R China.
[Yuan, Dan] Zhuzhou 2 Hosp, Dept Oncol, Zhuzhou 412005, Hunan, Peoples R China.
[Pei, Haiping; Tan, Fengbo; Zhou, Yuan] Cent S Univ, Xiangya Hosp, Dept Gastrointestinal Surg, Changsha 410008, Hunan, Peoples R China.