Association of Androgen Receptor Expression on Tumor Cells and PD-L1 Expression in Muscle-Invasive and Metastatic Urothelial Carcinoma: Insights for Clinical Research

AR is frequently expressed in patients with muscle-invasive and advanced urothelial carcinoma, and it does not seem to be prognostic for OS. The AR pathway is worthy of clinical studies to assess its synergistic action with anti-PD-L1 therapy.