In fact, FOXA1 expression is associated with the expression of steroid hormone receptors (ER, progesterone receptor, and androgen receptor) and other variables of good prognosis such as smaller tumor size, lower histological grade, and expression of luminal cytokeratins (CK18 and CK7/8), BRCA1, and E-cadherin (Habashy et al. 2008). Here, ESR1 is linked to neoplasm.