Mesothelioma - A Rare Asbestos Disease Mesothelioma is a type of cancer that grows in the linings of various organs. It can begin in the lung (pleural mesothelioma) or the stomach liner (peritoneal mesothelioma). Asbestos exposure is the primary risk factor for mesothelioma. It could take years before symptoms begin https://vimeo.com/705057124