Wen, Hanjie http://orcid.org/0000-0003-1961-4144
Wu, Wei
Fan, Fei
Liao, Peixi
Chen, Hu
Zhang, Yi
Deng, Zhenhua
Lv, Weiqiang
Article History
Received: 7 June 2021
Accepted: 2 December 2021
First Online: 13 January 2022
Declarations
:
: This was a retrospective study; the study sample was obtained from previously available medical materials, in order to avoid unnecessary or additional radiation exposure to the patients. The present study was performed with the approval of the ethics committee of the West China Second University Hospital of Sichuan University, and the code of the ethical approval is KS2021507. Informed consent was waived because this was a retrospective study.
: The authors declare no competing interests.