CD274 and neoplasm: In addition, the IKCscore was positively correlated with PD-L1 expression level, including immune cells (IC) and tumor cells (TC) levels in the IMvigor210 cohort (Figures 3D and 3E, IC: Kruskal−Wallis, p < 2.2e−16; TC: Kruskal−Wallis, p = 1.8e−11).