Mesothelioma - A Rare Asbestos Disease Mesothelioma is a tumor that is found in the linings and tissues of certain organs. It can start in the lungs (pleural mesothelioma) or in the stomach the lining (peritoneal mesothelioma). Asbestos exposure is a major risk factor for mesothelioma. It can take decades https://vimeo.com/704908879