Funding for this research was provided by:
Health and Family Planning Commission of Hunan Province (202204114480)
Natural Science Foundation of Hunan Province (2022JJ80079)
Article History
Received: 25 January 2024
Accepted: 19 April 2024
First Online: 9 May 2024
Declarations
:
: No conflicts of interest are reported from any of the author.
: The study was approved by the Academic Committee of Hunan Cancer Hospital (2023 Scientific Research Quick Review No. 59). As this is a retrospective study and most patients have passed away or lost contact, informed consent has been exempted.