Mesothelioma - A Rare Asbestos Disease Mesothelioma is a cancer that grows in the linings of various organs. It can start in the lung (pleural mesothelioma) or in the stomach the lining (peritoneal mesothelioma). Exposure to asbestos is an important risk factor for mesothelioma. After exposure, symptoms may take years https://vimeo.com/703528492