Mesothelioma Mesothelioma is a form of cancer that develops in the linings that cover organs. It usually affects the lungs (pleura) but it can also affect the abdominal lining (peritoneum) and heart, as well as testicles. Mesothelioma is caused by asbestos fibre exposure. Typically, symptoms don't appear until decades after https://vimeo.com/705057341