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Mesothelioma is a kind of cancer that's nearly always caused by exposure to asbestos. In this illness, malicious cells develop in the mesothelium, a protective lining that covers the majority of the body's internal organs. Its commonest site is the pleura ( outer lining of the lungs and internal chest wall ), but it may also occur in the peritoneum ( the liner of the intestinal cavity ), the heart, the pericardium ( a sac that surrounds the heart ) or tunica vaginalis.

When people inhale or ingest asbestos fiber floating in the air mesothelioma exposure takes place. Asbestos being a naturally occurring useful product, is used for various products like construction materials, cement, insulation equipment etc. Before put to industrial use, asbestos is made into fine threads, which are then woven together. The material was greatly in use during the Second