Mesothelioma is a sort of cancer that's almost always caused by being exposed to asbestos. In this illness, malignant cells develop in the mesothelium, a protecting lining that covers almost all of the body's internal organs. Its commonest site is the pleura ( outer lining of the lungs and internal chest wall ), but it might also happen in the peritoneum ( the liner of the intestinal cavity ), the heart, the pericardium ( a sac that surrounds the heart ) or tunica vaginalis.…See More