P292 Cell-free DNA (cfDNA) profiling using Guardant360 in Japanese metastatic breast cancer patients

oleh: M. Kawashima, Y. Fujimoto, W. Tsuji, F. Yotsumoto, Y. Komi, H. Suwa, T. Taji, A. Izumi, M. Torii, Y. Matsutani, E. Suzuki, M. Tokiwa, N. Kawaguchi-Sakita, Y. Mori, A. Yamaguchi, K. Kawaguchi, M. Takada, M. Toi