{description: A description of a tumor based on how abnormal the cancer cells and tissue look under a microscope and how quickly the cancer cells are likely to grow and spread., package_name: hl7.fhir.us.mcode.r4, name: HistologicGradingSystemVS, type: null, package_version: 4.0.0-ballot, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/mcode/ValueSet/mcode-histologic-grading-system-vs', version: 4.0.0-ballot}