NCIt definition : A usually malignant and aggressive neoplasm of the mesothelium which is often associated
with exposure to asbestos.;
Alternative definition : NCI-GLOSS: 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.;