Mesothelioma Mesothelioma is a form of cancer that forms in the linings of organs. It is most commonly found in the lungs (pleura) but can also affect the abdominal lining (peritoneum) and heart, as well as the testicles. Exposure to asbestos fibres is the main cause mesothelioma. Typically, symptoms don't https://vimeo.com/703543903