# OnCo record breast-margins-and-re-excision (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/breast-margins-and-re-excision/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "breast-margins-and-re-excision" ;
  schema:name "Margins after breast-conserving surgery, and second operations"@en ;
  schema:alternateName "clear margins"@en, "tumour on ink"@en, "re-excision"@en, "further surgery after lumpectomy"@en ;
  schema:description "After conserving surgery a pathologist measures how close the cancer came to the edge of the tissue removed. Cancer at the inked edge means another operation is offered; within 1 mm it is considered; and the threshold was lowered in 2024 specifically to spare people a second operation."@en ;
  schema:url <https://onco.cc/terms/breast-margins-and-re-excision/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://www.nice.org.uk/guidance/ng101/chapter/Recommendations>, <https://www.macmillan.org.uk/cancer-information-and-support/treatments-and-drugs/breast-conserving-surgery-for-breast-cancer>, <https://breastcancernow.org/about-breast-cancer/treatment/surgery-for-primary-breast-cancer> ;
  onco:cancers <https://onco.cc/cancers/breast-cancer/> ;
  onco:terms <https://onco.cc/terms/lumpectomy/>, <https://onco.cc/terms/mastectomy/> .