Mesothelioma Mesothelioma is a type of cancer, occurs in the linings covering organs. It is most commonly found in the lungs (pleura) but can also affect the abdomen's lining (peritoneum), heart or testicles. Mesothelioma is a result of asbestos fibre exposure. Typically, symptoms don't appear until decades after exposure. Signs https://vimeo.com/705036648