AR and neoplasm: AR expression was higher in post-menopausal women (post- vs. pre-menopausal 26.9% vs 13.4%, p < 0.001), grade 1-2 tumor (Grade 1-2 vs. 3, 40.8% vs. 23.0%, p < 0.001) and patients with axillary LN metastases (LN+ vs. LN-, 28.8% vs. 22.6%, p < 0.01).