Mesothelioma - A Rare Asbestos Disease Mesothelioma is a cancer that grows in the linings of certain organs. It can start in the lungs (pleural mesothelioma) or the stomach liner (peritoneal mesothelioma). The exposure to asbestos is the main risk factor for mesothelioma. It can take decades before symptoms begin https://vimeo.com/704727222