As depicted in Figure 3A–C, ERRFI1 mRNA expression levels were significantly elevated in the combined data for both lung adenocarcinoma (LUAD) and lung squamous cell carcinoma (LUSC) tissues (p = 0.006) as well as for LUAD tissues (p = 0.003), but not for LUSC tissues (p = 0.956). This evidence concerns the gene ERRFI1 and squamous cell lung carcinoma.