AUTHOR=Qin Qiang TITLE=Advances in research and current challenges in the treatment of advanced HER2-low breast cancer JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2025.1451471 DOI=10.3389/fcell.2025.1451471 ISSN=2296-634X