Mesothelioma Life Expectancy Hearing you have mesothelioma can be a life-altering experience. Most often patients are told they only have months to live when diagnosed. Mesothelioma develops in the lining of the lungs (pleura) and, less often, in the the abdominal cavity (peritoneum). Exposure to asbestos is the primary risk https://vimeo.com/705043491