Wang, Xinran
Hu, Bing
Chen, Jinhu
Xie, Feihong
Han, Dan
Zhao, Qian
Sun, Hongfu
Fu, Chengrui
Liu, Chengxin
Wang, Zhongtang
Lin, Haiqun
Huang, Wei
Article History
Received: 22 August 2021
Accepted: 21 February 2022
First Online: 24 February 2022
Declarations
:
: Not applicable.
: All procedures of the study were in accordance with the 1964 Declaration of Helsinki and its later amendments or with comparable ethical standards. The study was approved by the Ethics Committee of Cancer Hospital Affiliated to Shandong First Medical University (no SDTHEC2022001008). For this retrospective study, the need of the informed consent was exempted by the Ethics Committee of Cancer Hospital Affiliated to Shandong First Medical University, and all data were kept confidential.
: There is no conflict of interest in this manuscript.