NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,847 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.

Surgery to remove all of one lung. In a partial pneumonectomy, one or more lobes of a lung are removed.

EnlargePneumonectomy; drawing shows the trachea, lymph nodes, and lungs, with cancer in one lung. The removed lung with the cancer is shown.

Pneumonectomy. The whole lung is removed.