Liu, Linxiu
Lin, Hua
Shen, Guihua
Liu, Yong
Qin, Xiumin
Yuan, Yanling
Wang, Bingzhi
Xue, Liyan
Article History
Received: 26 October 2022
Accepted: 18 April 2023
First Online: 22 April 2023
Declarations
:
: The study protocol was approved by the Institutional Review Board of the National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (Approval No.NCC2018AA-036; Date:2018/05/22) and individual informed consent was waived for this retrospective analysis. All procedures were conducted in accordance with the ethical standards of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.