Mesothelioma - A Rare Asbestos Disease Mesothelioma is a type of cancer that develops in the linings of certain organs. It can begin in the lung (pleural mesothelioma) or in the stomach lining (peritoneal mesothelioma). Asbestos exposure is the primary risk factor for mesothelioma. It can take a long time https://vimeo.com/704923797