*Laboratory of Pathology, National Cancer Institute, NIH, Bethesda, MD

†Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center New York, NY

This research was funded in part through the NIH/NCI Cancer Center Support Grant P30 CA008748, R01 CA233899, P01CA221757, SPORE in Bladder Cancer P50CA221745, and Cycle for Survival.

H.A.A. provides consultation to AstraZeneca, Paige.AI and Pfizer. D.A. has no conflicts of interest to disclose.

All figures can be viewed online in color at www.anatomicpathology.com.

Reprints: Hikmat Al-Ahmadie, MD, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center New York, NY 10065 (e-mail: [email protected]).