Liu, Donghui
Ding, Ran
Wang, Liru
Shi, Enhong
Li, Xiaoxue
Zhang, Chenyao
Zhang, Yan
Wang, Xuyao
Funding for this research was provided by:
Natural Science Foundation of Heilongjiang Province (No. LH2023H090)
Scientific research project of Heilongjiang Provincial Health Commission (No. 20210303100116)
Article History
Received: 16 May 2023
Accepted: 5 August 2023
First Online: 16 August 2023
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The data in the SEER database is open and shared, without the need for informed consent from patients. The external validation set data in this study was approved by the Affiliated Tumor Hospital of Harbin Medical University (No. KY2016-21) and waived the requirement for informed consent due to the retrospective nature of the analysis using anonymous clinical data. The authors DL and XL have previously worked at the Affiliated Tumor Hospital of Harbin Medical University and now transferred to Heilongjiang Provincial Hospital.
: Not applicable.
: The authors declare no competing interests.