# OnCo record retinoblastoma-classification (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/retinoblastoma-classification/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "retinoblastoma-classification" ;
  schema:name "International Classification of Retinoblastoma (groups A to E)"@en ;
  schema:alternateName "International Classification of Retinoblastoma"@en, "ICRB"@en, "IIRC"@en, "International Intraocular Retinoblastoma Classification"@en, "retinoblastoma group"@en ;
  schema:description "Retinoblastoma inside the eye is graded from group A (small tumours away from the centre of vision) to group E (eyes with features that make saving the eye unlikely), and the group guides whether the eye can be saved."@en ;
  schema:url <https://onco.cc/terms/retinoblastoma-classification/> ;
  schema:dateModified "2026-11-04"^^xsd:date ;
  schema:citation <https://www.cancer.gov/types/retinoblastoma/hp/retinoblastoma-treatment-pdq>, <https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C189851> ;
  onco:related <https://onco.cc/terms/staging-systems/> ;
  onco:cancers <https://onco.cc/cancers/retinoblastoma/> .