Miki, K., Izumiyama, K., Wakasa, K., Yamamoto, S., Sato, T., Harada, T., Senjo, H., Tachita, T., Chiba, M., Igarashi, T., Saga, T., Yamamoto, M., Okada, K., Goto, H., Takeda, Y., Takahata, M., Oyake, T., Fujimoto, K., Haseyama, Y., Murai, K., Ishihara, T., Ito, S., Teshima, T. (2025). Multiple myeloma with ≥1% circulating plasma cells in peripheral blood has a poor prognosis. Blood. https://doi.org/10.1182/blood-2025-2205