Article History
Received: 8 November 2021
Accepted: 30 March 2022
First Online: 11 April 2022
Declarations
:
: All patients in the study provided written informed consent for the biological study. The research protocol (including specimen collection) was reviewed and approved by the Biomedical Ethics Committee of The First Affiliated Hospital of Harbin Medical University Hospital (Batch Number: 20200159). All procedures were conducted in accordance with the Guidelines of the World Medical Association Declaration of Helsinki. The clinicopathological staging and typing of the patients met the AJCC typing criteria.
: Not applicable.
: The authors declare that they have no competing interests.