AUTHOR=Li Huimeng , Yang Liying , Sun Xiqiang , Wang Zhuquan , Qin Shuangwei , Li Chengcheng , Liu Gongwu , Xie Fengming , Gao Weiwei TITLE=Changes in hormone receptor when breast cancer metastasizes to the colon: case report and literature review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1391393 DOI=10.3389/fonc.2024.1391393 ISSN=2234-943X