Ghatalia, P., Ross, E. A., Zibelman, M. R., Anari, F., Abbosh, P., Herberts, C., Mille, P. J., Rose, T. L., Cole, S., Mark, J. R., Viterbo, R., Horwitz, E. M., Hallman, M. A., Correa, A. F., Smaldone, M. C., Uzzo, R., Chen, D., Kutikov, A., Plimack, E. R., Geynisman, D. M. (2026). Circulating tumor DNA (ctDNA) to guide response-adapted bladder preservation in muscle invasive bladder cancer (MIBC): Integrated analysis of the RETAIN trials.. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2026.44.7_suppl.lba632