Mesothelioma Mesothelioma is a type of cancer, is found in the organ linings. It usually affects the lung (pleura) but it can also affect the abdominal lining (peritoneum), heart or the testicles. Exposure to asbestos fibres is the cause mesothelioma. Typically, symptoms don't appear until decades after exposure. Symptoms Mesothelioma https://vimeo.com/704919522