Mesothelioma - A Rare Asbestos Disease Mesothelioma is a cancer that grows in the linings of specific organs. It can start in the lung (pleural mesothelioma) or in the stomach liner (peritoneal mesothelioma). Asbestos exposure is a major risk factor for mesothelioma. It can take decades for symptoms to show https://vimeo.com/704727373