malignant mesothelioma

Definition of malignant mesothelioma
National Cancer Institute

malignant mesothelioma

(muh-LIG-nunt MEH-zoh-THEE-lee-OH-muh)
A rare type of cancer in which malignant cells are found in the lining of the chest or abdomen. Exposure to airborne asbestos particles increases one's risk of developing malignant mesothelioma.

Source: NCI Dictionary of Cancer Terms