Mesothelioma Mesothelioma, a form of cancer, occurs in the organ linings. It is most commonly found in the lung (pleura) but can also affect the lining of the abdomen (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/703531244