Mesothelioma Mesothelioma is a type of cancer that forms in the linings of organs. It usually affects the lungs (pleura) but can also affect the abdomen's lining (peritoneum), heart or testicles. Mesothelioma can be caused by asbestos fibre exposure. Typically, symptoms don't appear until decades after exposure. Symptoms Mesothelioma is https://vimeo.com/704726044