Mesothelioma Mesothelioma is a form of cancer, is found in the linings covering organs. It usually affects the lung (pleura) but it can also affect the abdominal lining (peritoneum) as well as the heart or testicles. Exposure to asbestos fibres is the cause mesothelioma. Typically, symptoms don't appear until decades https://vimeo.com/704886410