We further explored the biological functions of the four genes by GSEA 4.0.1 software and found that the expression level of BATF may be related to the “regulation of viral process” and “non-small cell lung cancer.” The expression level of PHYHIPL may be related to the function of “blastocyst growth” and “WNT signaling pathway.” However, the FDR value is more than 0.25, there may be false-positive results. Here, BATF is linked to non-small cell lung carcinoma.