A higher mutation frequency of EGFR was observed in the Xuanwei NSCLC cohort than in TCGA cases (46.6% vs. 10.7%, p < 0.001), although this frequency was comparable to that in reference Chinese cases (46.6 vs. 50.3%, p = 0.44) (Figures 1A,B). Here, EGFR is linked to non-small cell lung carcinoma.