mesothelioma

(meh-zuh-thee-lee-OH-muh) A benign (noncancerous) or malignant (cancerous) tumor affecting the lining of the chest or abdomen. Exposure to asbestos particles in the air increases the risk of developing malignant mesothelioma.

(mez-uh-thee-lee-YOH-muh): A tumor in the lining of the chest or abdomen (stomach area).