Mesothelioma - A Rare Asbestos Disease Mesothelioma is a form of cancer that develops in the linings of specific organs. It can start in the lung (pleural mesothelioma) or in the stomach lining (peritoneal mesothelioma). Asbestos exposure is a major risk factor for mesothelioma. After exposure, symptoms can be delayed https://vimeo.com/704929811