PGR and metastatic malignant neoplasm in the lymph nodes: Univariate analysis of overall survival using Cox regression analysis identified high TAM infiltration (P = 0.001), histopathological grade (P = 0.010), lymph node metastasis (P = 0.009), ER status (P = 0.038) and PR status (P = 0.001) as significant prognostic predicators.