Mesothelioma - A Rare Asbestos Disease Mesothelioma is a form of cancer that is found in the linings of various organs. It can begin in the lung (pleural mesothelioma) or in the stomach the lining (peritoneal mesothelioma). The exposure to asbestos is one of the main risk factors for mesothelioma. https://vimeo.com/704917359