Ruano-Raviña et al. published a retrospective study comparing EGFR-mutant or ALK-positive vs. negative NSCLC cases in smoking patients living in a radon-prone area (Galicia, Spain), with a median radon exposition of 182 Bq/m3 (range, 11–2350) [87]. This evidence concerns the gene EGFR and non-small cell lung carcinoma.