Mesothelioma Mesothelioma, a form of cancer, occurs in the organ linings. It most often affects the lungs (pleura) but can also affect the lining of the abdomen (peritoneum), heart or testicles. Mesothelioma is a result of asbestos fibre exposure. Typically, symptoms don't appear until decades after exposure. Symptoms Mesothelioma, a https://vimeo.com/703528178