Li, Yilun
Article History
Received: 3 November 2020
Accepted: 26 July 2021
First Online: 28 August 2021
Declarations
:
: All information of patients were extracted from SEER public databases. The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
: Not applicable.
: The authors declare that they have no competing interests.