Regarding the expression of PD-L1, the median overall survival was significantly longer in the PD-L1-positive tumor cell group (median survival time, 3018 days; 95% CI, 993 days-NA) in comparison to the PD-L1-negative group (median survival time, 746 days; 95% CI, 565–1314 days) (p = 0.0289). The gene discussed is CD274; the disease is neoplasm.