Mesothelioma Mesothelioma, a form of cancer, develops in the organ linings. It usually affects the lungs (pleura) but can also affect the lining of the abdomen (peritoneum) as well as the heart or testicles. Exposure to asbestos fibres can be the cause mesothelioma. Typically, symptoms don't appear until decades after https://vimeo.com/704940789