Chen, Dujuan
Qin, Hongyue
Deng, Guangchuan
Wang, Qi
Wang, Haiyong
Liu, Xijun http://orcid.org/0000-0003-3229-7307
Article History
Received: 24 May 2022
Accepted: 22 August 2022
First Online: 7 September 2022
Declarations
:
: The authors declare that they have no conflict of interest.
: This retrospective study was approved by the Ethics Committee of Shandong Cancer Hospital and Institute and was conducted in accordance with the Declaration of Helsinki. All the patients were diagnosed and treated at Shandong Cancer Hospital and Institute, so we obtained permissions to access the data from the Ethics Committee of Shandong Cancer Hospital and Institute. Considering the retrospective nature of the study, the informed consent was waived. The data used in this study were anonymised before its use.
: Not applicable.