Mesothelioma - A Rare Asbestos Disease Mesothelioma is a cancerous growth that develops in the tissues and linings of certain organs. It can start in the lungs (pleural mesothelioma) or the stomach lining (peritoneal mesothelioma). Asbestos exposure is the main risk factor for mesothelioma. After exposure, symptoms may take years https://vimeo.com/703526540