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RGD uses the Human Disease Ontology (DO, for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.

Term:Margins of Excision
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Accession:DOID:9001775 term browser browse the term
Definition:The edges of tissue removed in a surgery for assessment of the effectiveness of a surgical procedure in achieving the local control of a neoplasm and the adequacy of tumor removal. When the margin is negative or not involved by tumor (e.g., CANCER) it suggests all of the tumor has been removed by the surgery.
Synonyms:exact_synonym: Excision Margin;   Excision Margins;   Negative Surgical Margin;   Negative Surgical Margins;   Positive Surgical Margin;   Positive Surgical Margins;   Resection Margin;   Resection Margins;   Surgical Margin;   Surgical Margins;   Tumor Free Margins;   Tumor-Free Margin
 primary_id: MESH:D000072662;   RDO:0016120

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  disease 21122
    Pathological Conditions, Signs and Symptoms 13262
      Morphological and Microscopic Findings 5
        Margins of Excision 0
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