# OnCo record ylst (trial). 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/trials/ylst/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "ylst", "ISRCTN42704678" ;
  schema:name "YLST"@en ;
  schema:alternateName "Yorkshire Lung Screening Trial"@en, "ISRCTN42704678"@en ;
  schema:description "The Leeds trial that answered the operational questions a national screening programme actually has to answer: who responds, which risk rule to use, what it costs, and whether stopping smoking can be built into the same appointment."@en ;
  schema:url <https://onco.cc/trials/ylst/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://europepmc.org/article/MED/35777775>, <https://europepmc.org/article/MED/39709114>, <https://europepmc.org/article/MED/38636970>, <https://www.isrctn.com/ISRCTN42704678> ;
  onco:status "positive" ;
  onco:tag "uk", "screening", "lung" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/lung-cancer/> ;
  onco:sections <https://onco.cc/fronts/early-detection/>, <https://onco.cc/fronts/prevention/> ;
  onco:technologies <https://onco.cc/technologies/low-dose-ct-screening/>, <https://onco.cc/technologies/smoking-cessation-after-diagnosis/> ;
  onco:institutions <https://onco.cc/institutions/leeds-cancer-centre/> ;
  onco:trials <https://onco.cc/trials/ukls/> ;
  onco:people <https://onco.cc/people/matthew-callister/>, <https://onco.cc/people/philip-crosbie/> .