Mesothelioma Mesothelioma is a type of cancer that forms in the linings of organs. It usually affects the lung (pleura) but can also affect the abdominal lining (peritoneum) and heart, as well as testicles. Exposure to asbestos fibres is the cause of mesothelioma. Typically, symptoms don't appear until decades after https://vimeo.com/704932712