Even though Luminal-B and ERBB2+ breast cancer subtypes are of the Epi type (Blicket al, 2008) (Fig2B), they have poor OS and DFS, similar to that of the Mes type, triple-negative breast cancers (Prat & Perou, 2011; Ishitobiet al, 2013). The gene discussed is ERBB2; the disease is breast carcinoma.