Zhang, Yi
Kong, Fei-Fei
Zhu, Zheng-Qiu
Shan, Hai-Xia
Article History
Received: 16 January 2021
Accepted: 15 February 2023
First Online: 9 March 2023
Declarations
:
: Informed consent was obtained from all patients participating in the study, and the study was. approved by the Ethics Committee of the Affiliated Hospital of Xu Zhou Medical University. This study only involved inquiries on medical system records, and did not use the patient's blood and surgically resected tissue specimens. We obtained verbal informed consent from all participants, and the ethics committee approved the procedure.
: Not Applicable.
: The authors have stated that they have no conflicts of interest.