Mesothelioma Mesothelioma is a form of cancer that grows in the linings that surround organs. It usually affects the lungs (pleura) but it can also affect the lining of the abdomen (peritoneum), heart or testicles. Exposure to asbestos fibres is the main cause of mesothelioma. Typically, symptoms don't appear until https://vimeo.com/705037824