ACTN4 and metastatic malignant neoplasm in the lymph nodes: Univariate Cox regression analyses showed that the serum ACTN4 levels (P < 0.001), FIGO stage (P < 0.001), differentiation degree (P = 0.012), lymph node metastasis (P < 0.001), and lymphovascular space invasion (P = 0.024) had significant prognostic value for OS.