Zhang, Meng
Li, Ruiping
Zhang, Jiaxi
Wang, Yunyun
Wang, Yunlu
Guo, Yuzhen
Article History
Received: 2 January 2023
Accepted: 27 November 2023
First Online: 14 December 2023
Declarations
:
: The authors declare no competing interests.
: I confirm that all methods were performed in accordance with the relevant guidelines and regulations. All patients were treated according to the latest NCCN guidelines. We anonymized and de-identified medical records of all cases before analyses. The study was approved by the Ethics Committee of the Second Hospital of Lanzhou University (Ethics Approval No.: 2022 A-336), and strictly complied with the Helsinki Declaration. The Ethics Committee of the Second Hospital of Lanzhou University agreed to exempt patients from signing informed consent. As the clinical data in this study was collected from a publicly available database (SEER database), there were no local or national ethical issues.
: Not applicable.