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Disease Ontology Browser
hormone receptor-positive/HER2-negative breast cancer (DOID:0070780)
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Synonyms: HER2-/HR+ breast cancer; HER2-negative/hormone receptor-positive breast cancer; HER2-negative/HR-positive breast cancer; hormone receptor positive/human epidermal growth factor receptor 2 negative breast cancer; HR+/HER2- breast cancer; HR-positive, HER2-negative (HR+/HER2-) breast cancer; HR-positive/HER2-negative breast cancer; human epidermal growth factor receptor 2 negative/hormone receptor positive breast cancer
Definition: A HER2 negative breast cancer characterized by at least one of the estrogen or progesterone receptors and the absence of HER2 (EBBR2) protein.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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07/14/2026
MGI 6.24 		The Jackson Laboratory