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Authors
Taguchi, Marin
Takada, Masahiro https://orcid.org/0000-0002-5954-1296
Jiaxi, He
Fukui, Yukiko
Shimizu, Hanako
Yamaguchi, Ayane
Kawaguchi, Kosuke
Kawashima, Masahiro
Kawaguchi-Sakita, Nobuko
Toi, Masakazu
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Article History
Received: 27 December 2024
Accepted: 26 April 2025
First Online: 10 May 2025
Declarations
:
: Masahiro Takada received a research grant from Yakult Honsha, Guardant Health Japan and Medbis, and received lecture fees from Daiichi Sankyo, AstraZeneca, Taiho, Eli-Lilly, MSD, Pfizer, Eisai, Chugai, Devicor Medical Japan, Kyowa Kirin, and Mitaka Kohki; Masahiro Kawashima received a research grant from Nippon Kayaku, Kyowa Kirin and Advalife Science. He received lecture fees from Guardant Health AMEA, Chugai, Daiichi-Sankyo, Pfizer, Eisai, Taiho and Devicor Medical Japan; Nobuko Kawaguchi-Sakita received personal fees from Chugai, Kyowa Kirin, Eisai, Zene, Daiichi-Sankyo, Taiho, Astra Zeneca, Yakult, PRiME-R, HUG, IHC, NTT, CANNON Medical and Meiji Seika Pharma; Masakazu Toi received a research grant from Chugai, Takeda, Pfizer, Taiho, JBCRG assoc., KBCRN assoc., Eisai, Eli-Lilly and companies, Daiichi-Sankyo, AstraZeneca, Astellas, Shimadzu, Yakult, Nippon Kayaku, AFI technology, Luxonus, Shionogi, GL Science and Sanwa Shurui. He has funding from Chugai, Takeda, Pfizer, Kyowa-Kirin, Taiho, Eisai, Daiichi-Sankyo, AstraZeneca, Eli Lilly and companies, MSD, Exact Science, Novartis, Shimadzu, Yakult, Nippon Kayaku, Devicore Medical Japan and Sysmex as compensation for Lecture honoraria or lecture chairs. He has funding from Daiichi-Sankyo, Eli Lilly and companies, BMS, Athenex Oncology, Bertis, Terumo, Kansai Medical Net for Advisory board. He has funding from British Journal of Cancer, Scientific Reports, Breast Cancer Research and Treatment, Cancer Science, Asian Journal of Surgery, and Asian Journal of Breast Surgery for Associate editor; Marin Taguchi, He Jiaxi, Yukiko Fukui, Hanako Shimizu, Ayane Yamaguchi and Kosuke Kawaguchi have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study protocol was approved by the institutional review board of Kyoto University Hospital (approval no.: R4913).
: Formal consent was not required owing to the retrospective nature of the study.
