Mesothelioma Mesothelioma, a form of cancer, is found in the linings of organs. It is most commonly found in the lungs (pleura) but can also affect the abdominal lining (peritoneum) as well as the heart or testicles. Mesothelioma is caused by asbestos fibre exposure. Typically, symptoms don't appear until decades https://vimeo.com/704932951