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NCI Dictionary of Cancer Terms

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wedge resection  listen  (wej ree-SEK-shun)

  Surgery to remove a triangle-shaped slice of tissue. It may be used to remove a tumor and a small amount of normal tissue around it.

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Wedge resection of the lung; shows trachea and lungs with cancer in a lung lobe.  The removed lung tissue with the cancer and small amount of healthy tissue around it is shown next to the lung lobe it was removed from.