# OnCo record her2-low (term). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/her2-low/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "her2-low" ;
  schema:name "HER2-low and HER2-ultralow"@en ;
  schema:alternateName "HER2-low"@en, "HER2 low"@en, "HER2-ultralow"@en, "HER2 ultralow"@en, "HER2-ultra-low"@en, "HER2 IHC 1+"@en, "IHC 1+"@en, "IHC 2+ ISH-negative"@en, "HER2 IHC 0"@en, "HER2-zero"@en, "HER2 0"@en, "HER2 immunohistochemistry score"@en, "HER2-low status"@en ;
  schema:description "Tumours with a little HER2 (IHC 1+ or 2+ without amplification), or a trace (ultralow), which older HER2 drugs ignored but Enhertu can attack."@en ;
  schema:url <https://onco.cc/terms/her2-low/> ;
  schema:dateModified "2026-09-04"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/HER2> ;
  schema:citation <https://www.cancer.gov/publications/dictionaries/cancer-terms/def/her2-low-breast-cancer>, <https://doi.org/10.1111/his.70149> ;
  onco:cancers <https://onco.cc/cancers/tnbc/>, <https://onco.cc/cancers/breast-hr-positive/> ;
  onco:drugs <https://onco.cc/drugs/trastuzumab-deruxtecan/> ;
  onco:terms <https://onco.cc/terms/her2-testing-uk-breast/>, <https://onco.cc/terms/who-breast-classification/> ;
  onco:trials <https://onco.cc/trials/destiny-breast04/>, <https://onco.cc/trials/destiny-breast06/> .