EZH2 and non-small cell lung carcinoma: Notably, the EZH2 expression level in NSCLC tissues (n = 40; 2−ΔΔCT = 0.09 ± 0.1) was much higher than that in paracancerous lung tissues (2−ΔΔCT = 0.01 ± 0.01; P < 0.01, Fig. 1c).