Mesothelioma Mesothelioma is a type of cancer, develops in the linings of organs. It is most commonly found in the lung (pleura) but can also affect the abdominal lining (peritoneum) and heart, as well as testicles. Exposure to asbestos fibres is the main cause of mesothelioma. Typically, symptoms don't appear https://vimeo.com/705079761