Funding for this research was provided by:
Wu Jieping Medical Foundation (320675018551)
Heilongjiang Provincial Science and Technology Department (GZ20210137)
Received: 20 August 2021
Accepted: 18 March 2022
First Online: 2 April 2022
: The Ethics Committee of Harbin Medical University Cancer Hospital approved this study because of its retrospective design. All patients provided written informed consent on surgical technology and agreement for data use before surgery.
: Consent forms from Harbin Medical University Cancer Hospital were signed by the patients included in the research.
: The authors declare that they have no competing interests.