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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



lymph node dissection  listen  (limf node dy-SEK-shun)

  A surgical procedure in which the lymph nodes are removed and a sample of tissue is checked under a microscope for signs of cancer. For a regional lymph node dissection, some of the lymph nodes in the tumor area are removed; for a radical lymph node dissection, most or all of the lymph nodes in the tumor area are removed. Also called lymphadenectomy.