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 abdominal lining (peritoneum) as well as the heart or testicles. Exposure to asbestos fibres can be the cause mesothelioma. Typically, symptoms don't appear https://vimeo.com/704996266