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Authors
Yang, HongLiang
He, Feng
Xu, Wen
Cao, Zeng
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Article History
Received: 18 October 2022
Accepted: 21 December 2022
First Online: 31 December 2022
Declarations
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: This clinical trial was a retrospective study in which only clinical data were collected from patients, and all were previously hospitalized patients. There was almost no risk to the subjects. The Medical Ethics Committee of Tianjin Cancer Institute and Hospital has confirmed that no ethical approval was required.
: The Medical Ethics Committee of Tianjin Cancer Institute and Hospital approved to waive the need of informed consent of the subjects.
: Not applicable.
: The authors declare that we have no conflict of interest.
