# OnCo record primary-tumour (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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/primary-tumour/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "primary-tumour" ;
  schema:name "Primary tumour"@en ;
  schema:alternateName "primary tumours"@en, "primary tumor"@en, "primary tumors"@en, "primary site"@en, "primary cancer"@en, "the primary"@en, "site of origin"@en, "unknown primary"@en, "cancer of unknown primary"@en, "secondary tumour"@en, "secondary tumours"@en, "secondaries"@en, "primary cancers"@en ;
  schema:description "The original tumour where a cancer started. Cancer is named after this site for life: a breast cancer that spreads to the liver is still breast cancer, not liver cancer."@en ;
  schema:url <https://onco.cc/terms/primary-tumour/> ;
  schema:dateModified "2026-09-09"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Primary_tumor> ;
  owl:sameAs <http://www.wikidata.org/entity/Q2110267> ;
  schema:citation <https://en.wikipedia.org/wiki/Primary_tumor> ;
  onco:related <https://onco.cc/terms/metastasis/>, <https://onco.cc/terms/lesion/>, <https://onco.cc/terms/cancer-stage/>, <https://onco.cc/terms/tnm-staging/>, <https://onco.cc/terms/systemic-vs-local-therapy/>, <https://onco.cc/pathways/metastatic-cascade/> .