ERBB2 and breast cancer: Lastly, among women aged 70 years and over, 18,589 new BC case are predicted for 2020 in Italy, of which 12,696 (68.3%) Luminal A-like, 1037 (5.6%) Luminal B-like, 1109 (6.0%) Triple-negative, and 444 (2.4%) HER2 enriched.