AUTHOR=Tesei Anna , Castoria Gabriella TITLE=Editorial: The Androgen Receptor in Breast Cancer JOURNAL=Frontiers in Endocrinology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2020.636480 DOI=10.3389/fendo.2020.636480 ISSN=1664-2392