Yamanouchi, K., Kuba, S., Moriuchi, H., Maeda, S., Matsumoto, M., Yano, H., Oikawa, M., Morita, M., Akashi, M., Fukushima, A., Tanaka, A., Inamasu, E., Otsubo, R., Matsumoto, K., Eguchi, S. (2025). Evaluating the effectiveness of treatment cost calculation tool in improving patients' understanding of drug costs in advanced breast cancer: A multicenter, randomized controlled trial.. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2025.43.16_suppl.e13566