Mesothelioma Mesothelioma is a form of cancer that forms in the linings that surround organs. It usually affects the lungs (pleura) but it can also affect the abdominal lining (peritoneum) as well as the heart or the testicles. Exposure to asbestos fibres is the main cause mesothelioma. Typically, symptoms don't https://vimeo.com/704983354