Clinicopathological features, genetic alterations, and BRCA1 promoter methylation in Japanese male patients with breast cancer

Akihiko Shimomura, Masayuki Yoshida, Takashi Kubo, Satoshi Yamashita, Emi Noguchi, Aiko Nagayama, Toru Hanamura, Miki Okazaki, Toru Mukohara, Asako Tsuruga, Kiyo Tanaka, Yukino Kawamura, Toru Higuchi, Yoko Takahashi, Sasagu Kurozumi, Tetsu Hayashida, Hitoshi Ichikawa, Toshikazu Ushijima, Akihiko Suto