To test the hypothesis that anti-PD-L1 enhances RT effects, flank TRAMP-C1 tumours were treated with 3 × 5 Gy plus anti-PD-L1, and compared against 3 × 5 Gy, anti-PD-L1, or untreated tumours (Fig. 5c). The gene discussed is CD274; the disease is neoplasm.