In invasive breast cancer, frequencies between 58–75% for luminal A, 11–16% for luminal B, 3–6% for Her2 and 11–20% for TN/basal have been reported (Carey et al, 2006; Kurebayashi et al, 2007; Rakha et al, 2007; Kwan et al, 2009). Here, ERBB2 is linked to invasive breast carcinoma.