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Article History

Received: 19 October 2022

Accepted: 13 February 2023

First Online: 27 February 2023

Declarations

:

: The study protocol was approved by the Ethics Committee of Harbin Medical University Cancer Hospital and the Ethics Committee of Shanxi Province Cancer Hospital. The requirement for informed consent was waived by the Ethics Committee of Harbin Medical University Cancer Hospital and the Ethics Committee of Shanxi Province Cancer Hospital due to the retrospective nature of the study. All data were anonymized. All methods in the study were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki).

: Not applicable.

: The authors declare that they have no competing interests.