Mesothelioma - A Rare Asbestos Disease Mesothelioma is a cancerous growth that occurs in the tissues and linings of certain organs. It can begin in the lung (pleural mesothelioma) or in the stomach lining (peritoneal mesothelioma). Asbestos exposure is the main risk factor for mesothelioma. After exposure, symptoms may take https://vimeo.com/704915343