Ozawa, Heita
Sakamoto, Junichi
Nakanishi, Hiroki
Fujita, Shin
Article History
Received: 7 April 2021
Accepted: 18 July 2021
First Online: 20 October 2021
Declarations
:
: We have no conflicts of interest to declare.
: Ethics approval was obtained from the Tochigi Cancer Center institutional review board (20-C004). Formal consent was not required for this retrospective study.