Mesothelioma - A Rare Asbestos Disease Mesothelioma is a form of cancer that develops in the linings of certain organs. It can start in the lung (pleural mesothelioma) or the stomach lining (peritoneal mesothelioma). Exposure to asbestos is a major risk factor for mesothelioma. It can take decades for symptoms https://vimeo.com/704985939