Successful treatment of G-CSF-related aortitis with prednisolone during preoperative chemotherapy for breast cancer: a case report oleh Yoichi Koyama, Kayo Adachi, Mio Yagi, Yoko Go, Kyoko Orimoto, Saori Kawai, Natsuki Uenaka, Miki Okazaki, Mariko Asaoka, Saeko Teraoka, Ai Ueda, Kana Miyahara, Takahiko Kawate, Hiroshi Kaise, Kimito Yamada, Takashi Ishikawa