EGFR and neoplasm: Meanwhile, Spearman correlation test was employed for further analysis, which revealed the consistent relationship between miR-133a expression and the following clinicopathological parameters: lymphatic metastasis (r = −0.182, P = 0.042), tumor size (r = −0.253, P = 0.04), and EGFR protein expression (r = −0.612, P < 0.001).