Document is current

Article History

Received: 6 February 2024

Accepted: 21 March 2025

First Online: 2 April 2025

Declarations

:

: We signed the “Surveillance, Epidemiology, and End Results Program Data-Use Agreement” in accordance with the requirement of using SEER database. Therefore, we obtained the data using permission and could download data from the SEER database. The ethics committee of our hospital carries out its work in strict accordance with the Ethical Review of Biomedical Research Involving Human Beings, ICH-GCP, GCP and relevant regulations, etc., and performs the duties of biomedical research ethics review involved in human beings. The article does not belong to the scope of the ethics committee review and does not need to be reviewed according to the current ethical standards. The data on the paper is collected from public databases and belongs to public resources.

: Not applicable.

: The authors declare no competing interests.