Mesothelioma - A Rare Asbestos Disease Mesothelioma is a tumor that is found in the tissues and linings of certain organs. It can begin in the lungs (pleural mesothelioma) or the stomach the lining (peritoneal mesothelioma). Exposure to asbestos is the main risk factor for mesothelioma. After exposure, symptoms may https://vimeo.com/705023808