NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,177 terms related to cancer and medicine.

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mesothelioma
(MEH-zoh-THEE-lee-OH-muh)
A benign (not cancer) or malignant (cancer) tumor affecting the lining of the chest or abdomen. Exposure to asbestos particles in the air increases the risk of developing malignant mesothelioma.