Neoplasm Metastasis
| Definition: |
The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. |
| Notes: |
GEN only for metastatic process or neoplasm metast in general; when IM for GEN only, qualif permitted; unlikely as NIM coord: prefer /second with organ/neopl & histol type for metastatic neopl; policy on metastasis & /second: Manual 19.8.65, 24.3.1, 24.4. |
Neoplasm Metastasis Categories.
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Lymphatic Metastasis - Transfer of a neoplasm from its primary site to lymph nodes or to distant parts of the body by way of the lymphatic system. |
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Neoplasm Circulating Cells - Exfoliate neoplastic cells circulating in the blood and associated with metastasizing tumors. |
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Neoplasm Seeding - The local implantation of tumor cells by contamination of instruments and surgical equipment during and after surgical resection, resulting in local growth of the cells and tumor formation. |
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Neoplasms, Unknown Primary - Metastases in which the tissue of origin is unknown. |
Neoplasm Metastasis Definitions and Terms
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