Kashihara, Tairo
Nakayama, Yuko
Okuma, Kae
Nagao, Ayaka
Takahashi, Kana
Kaneda, Tomoya
Kubo, Yuko
Ito, Kimiteru
Nakamura, Satoshi
Okamoto, Hiroyuki
Yatabe, Yasushi
Kusumoto, Masahiko
Ohe, Yuichiro
Igaki, Hiroshi
Article History
Received: 10 August 2024
Accepted: 29 September 2025
First Online: 16 October 2025
Declarations
:
: All analyses performed in this study were approved by the Institutional Review Board of the National Cancer Center (approval number: 2017-091) and were conducted in accordance with the ethical standards of the committee and the 1964 Helsinki Declaration and its later amendments. Informed consent was not required because the data used in this study comprised anonymised information, and active refusal of participation was available as an option. Furthermore, information about the study plan was posted on the website of our institution.
: Not applicable.
: The authors declare no competing interests.