Mei, Ruqi
Wang, Guodong
Chen, Renxiong
Wang, Hongzhi
Article History
Received: 2 April 2022
Accepted: 12 July 2022
First Online: 5 September 2022
Declarations
:
: This study was approved by the Ethics Committee of Peking University Cancer Hospital & Institute (Approval code: 2016kt18). A waiver for the requirement for written informed consent was approved by our medical ethical committee because written informed consent could not be obtained, and this retrospective study would not have any effect on the included patients.
: Not applicable.
: The authors declare that they have no competing interests.