NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,798 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

wedge resection
(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.

EnlargeWedge 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.

Wedge resection of the lung. Part of the lung lobe containing the cancer and a small amount of healthy tissue around it is removed.