The role of forkhead-box A1 (FOXA1) and Androgen receptor (AR) in breast cancer (BC) has been extensively studied. However, the prognostic role of their co-expression in Estrogen receptor positive (ER+) BC has not been investigated so far. | FOXA1 and AR in invasive breast cancer New findings on their co-expression and impact on prognosis in ER-positive patients