Previous reports [29-33], included MBCs among the spectrum of basal-like breast carcinomas, since they usually display a basal/myoepithelial molecular make-up, basal-like immunophenotype, triple negativity and often show expression of EGFR, CK14 and CK5/6. The gene discussed is KRT14; the disease is maternal uniparental disomy of chromosome 20.