Mesothelioma Mesothelioma is a type of cancer, is found 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 is the main cause of mesothelioma. Typically, symptoms don't appear https://vimeo.com/704718767