Li, Xue-Ming
Xu, Zhong-Zhi
Wen, Zhi-Peng
Pei, Jiao
Dai, Wei
Wang, Huai-Ming
Reng, Jing
Zhou, Peng http://orcid.org/0000-0002-1281-6088
Xu, Guo-Hui
Article History
Received: 14 August 2020
Accepted: 6 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This retrospective study was approved, and informed consent was waived by the institute review board of Sichuan Cancer Hospital and Institute. The data used in this study was anonymized before its use.
: Not applicable.
: The authors have no conflicts of interest to declare.