EZH2 and non-small cell lung carcinoma: To test this speculation, we extracted the expression of miR‐30b‐5p and EZH2 in GSE169587 and GSE74706, respectively, which exhibited that miR‐30b‐5p was downregulated in NSCLC, and EZH2 was highly expressed in NSCLC (Figure 3B,C).