Mesothelioma Mesothelioma is a kind of cancer that develops in the linings that cover organs. It usually affects the lungs (pleura) but can also affect the abdomen's lining (peritoneum), heart or testicles. Mesothelioma is caused by asbestos fibre exposure. Typically, symptoms don't appear until decades after exposure. Symptoms Mesothelioma is https://vimeo.com/703523003