Mesothelioma - A Rare Asbestos Disease Mesothelioma is a tumor that is found in the linings and tissues 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. It can take decades for https://vimeo.com/705059659