Source:http://linkedlifedata.com/resource/umls/id/C1711395
NCI: A role used to assert a relationship between a surgical procedure and its target anatomy, specifically that a particular procedure always involves excision of some or all of the specified anatomy. This role is applicable to procedures or techniques that involve excision of solid tissues or organs. It should be used when a more specific role cannot be asserted. The domain and range for this role are 'Clinical or Research Activity' and 'Anatomic Structure, System, or Substance', respectively.