51 Discovery of Exhausted CD8+ T-cell States Associated with Clinical Outcomes in Renal Cell Carcinoma - Zhaochen Ye; Soki Kashima; Rishabh Rout; Colin Laughlin; Nicholas Schindler; Ro Malik; Maxine Sun; Mustafa Saleh; Gwo-Shu Mary Lee; Wenxin Xu; Sabina Signoretti; Michael Hurwitz; et al. (The Oncologist, 2026)