CCL13 and metastatic malignant neoplasm in the lymph nodes: Cox regression analysis of the relationship between different clinicopathological parameters and the prognosis of patients with ovarian cancer univariate Cox regression analysis showed that high MCP-4 expression, advanced FIGO stage, and lymph node metastasis were risk factors affecting the prognosis of patients with ovarian cancer (all P < 0.05) (Table 3).