# OnCo record extended-ras-testing (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/extended-ras-testing/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "extended-ras-testing" ;
  schema:name "Extended RAS testing"@en ;
  schema:alternateName "RAS wild-type"@en, "extended RAS"@en, "KRAS and NRAS exons 2, 3 and 4"@en, "all-RAS testing"@en, "RAS mutation testing"@en ;
  schema:description "Extended RAS testing looks for mutations across KRAS and NRAS, not just the one spot that was tested first. It decides who can have an EGFR antibody: the drugs work only when every one of those spots is normal, and testing the wider set moved about one patient in six out of the group offered them."@en ;
  schema:url <https://onco.cc/terms/extended-ras-testing/> ;
  schema:dateModified "2026-09-24"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/KRAS> ;
  schema:citation <https://doi.org/10.1056/nejmoa1305275>, <https://www.nice.org.uk/guidance/ng151/chapter/Recommendations>, <https://doi.org/10.1093/annonc/mdx175> ;
  onco:tag "gi", "colorectal" ;
  onco:cancers <https://onco.cc/cancers/colorectal/>, <https://onco.cc/cancers/colon-cancer/>, <https://onco.cc/cancers/rectal-cancer/>, <https://onco.cc/cancers/kras-g12c-colorectal/>, <https://onco.cc/cancers/braf-v600e-colorectal/> ;
  onco:technologies <https://onco.cc/technologies/cgp/>, <https://onco.cc/technologies/liquid-biopsy/> ;
  onco:targets <https://onco.cc/targets/kras/>, <https://onco.cc/targets/nras/>, <https://onco.cc/targets/braf/>, <https://onco.cc/targets/egfr/> ;
  onco:terms <https://onco.cc/terms/sidedness/>, <https://onco.cc/terms/anti-egfr-rechallenge/>, <https://onco.cc/terms/germline-vs-somatic/>, <https://onco.cc/terms/ctdna/> .