CD274 and non-small cell lung carcinoma: In NSCLC, high PD-L1 expression was more frequent in both KRASG12C- and KRASnon-G12C-mutated tumors compared with KRAS-WT tumors (67.53% and 64.17% v 58.54%, OR = 1.47 and 1.27, and FDR-P = .0017 and .0123).