Real-World Outcomes of Adjuvant Pembrolizumab for Renal Cell Carcinoma: The Potential Role of PD-L1 as a Prognostic Biomarker. - Ishihara H; Nakayama T; Fukuda H; Katsurayama N; Nemoto Y; Mizoguchi S; Shimmura H; Hashimoto Y; Seki A; Yoshida K; Iizuka J; Kondo T; et al. (Targeted oncology, 2026)