Received: 19 January 2022
Accepted: 10 March 2022
First Online: 19 March 2022
: This study was approved by the institutional review board of Sun Yat-sen University Cancer Center and the First Affiliated Hospital, Zhejiang University School of Medicine as a retrospective study, and the requirement for informed consent was waived. All procedures performed in studies involving human participants were in accordance with the ethical standards of the1964 Helsinki declaration and its later amendments.
: The authors declare that they have no competing interests.