Qie, Y., Xue, Z., Li, L., Liang, S., Zhao, J., Han, G., Shen, C., Wu, Z., Ziliang, Q., Hu, H. (2026). Influence of low-coverage whole-genome sequencing–based urinary tumor fraction and chromosomal instability on recurrence risk stratification in systemic immunotherapy-treated non–muscle–invasive bladder cancer.. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2026.44.16_suppl.4603