Mesothelioma Life Expectancy The news that you have mesothelioma may be a life-changing event. Patients are often told they will only have a few months left after being diagnosed. Mesothelioma develops in the lung's lining (pleura) and, less often, in the lining of the abdominal cavity (peritoneum). Exposure to asbestos https://vimeo.com/705024823