AUTHOR=Wei Jingxin , Luo Xiang , Li Xueping , Li Junqiang , Liang Yanling TITLE=Case report: Primary breast osteosarcoma: a case study and literature review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1433581 DOI=10.3389/fonc.2024.1433581 ISSN=2234-943X