EZH2 and metastatic malignant neoplasm in the lymph nodes: Through analysis of the correlation between EZH2 and the clinicopathological features in 69 cases of OC, our findings revealed that the number of OC clinical specimens with a high EZH2 expression was significantly larger than that of OC clinical specimens with a low EZH2 expression pattern, and that the expression pattern of EZH2 was not correlated with the histological types of tumors and patient age, but was correlated with the histological grade, FIGO stage and lymph node metastasis (LNM) (p < 0.05; Table 2).