Okuno, Toshitaka https://orcid.org/0000-0002-3439-1770
Watanabe, Takanori
Yamaguchi, Takuhiro
Konno, Sachiyo
Takaki, Rie
Watanabe, Ryoji
Ban, Kanako
Hirokaga, Koichi
Tsuruoka, Masahiko
Morita, Takako
Article History
Received: 7 April 2024
Accepted: 20 June 2024
First Online: 13 August 2024
Declarations
:
: Toshitaka Okuno, Takanori Watanabe, Takuhiro Yamaguchi, Sachiyo Konno, Rie Takaki, Ryoji Watanabe, Kanako Ban, Koichi Hirokaga, Masahiko Tsuruoka, and Takako Morita declare that they have no conflicts of interest.
: All procedures were performed in accordance with the ethical standards of the responsible committee on human experimentation at each institution and with the Helsinki Declaration of 1964 and later versions.
: Written informed consent was not required for this trial according to the ethical guidelines for epidemiological research in Japan because this trial did not use human biological specimens and because color Doppler US and SE are performed as routine examinations for breast cancer diagnosis. Public disclosure of the information obtained in this study was required from all participating hospitals. If a patient refused to provide their clinical data, their data were not used.