AR and breast carcinoma: It is important to note that a subset of TNBC cases retain AR expression both in our dataset and in the literature, and this may be of clinical significance (reviewed in.23,56 GR expression has likewise previously been shown to be expressed at comparative levels in breast cancers.57 Although non-significant, the sign of both AR and GR regression coefficients suggests a correlation with worse outcome which is consistent with some but not all reports in the literature.