Mesothelioma Mesothelioma is a form of cancer that grows in the linings of organs. It usually affects the lungs (pleura) but can also affect the abdominal lining (peritoneum) and heart, as well as testicles. Exposure to asbestos fibres is the main cause of mesothelioma. Typically, symptoms don't appear until decades https://vimeo.com/705021858