AUTHOR=Zhang Shuting , Du Zhonghai , Wu Jun , Zhang Xiaoli , Dong Wei TITLE=Case report: Bone marrow metastasis and bone marrow necrosis occurring 11 years after ductal carcinoma in situ of the breast JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1473896 DOI=10.3389/fonc.2024.1473896 ISSN=2234-943X