Mesothelioma Mesothelioma is a type of cancer, occurs in the linings covering organs. It usually affects the lung (pleura) but can also affect the lining of the abdomen (peritoneum) and heart, as well as testicles. Exposure to asbestos fibres can be the cause of mesothelioma. Typically, symptoms don't appear until https://vimeo.com/705050706