Mesothelioma Mesothelioma is a kind of cancer that develops in the linings that surround organs. It is most commonly found in the lungs (pleura) but can also affect the abdominal lining (peritoneum), heart or testicles. Exposure to asbestos fibres can be the cause mesothelioma. Typically, symptoms don't appear until decades https://vimeo.com/704913695