Mesothelioma - A Rare Asbestos Disease Mesothelioma is a cancer that is found in the linings of specific organs. It can begin in the lung (pleural mesothelioma) or in the stomach lining (peritoneal mesothelioma). Exposure to asbestos is the main risk factor for mesothelioma. It can take decades before symptoms https://vimeo.com/705039391