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 lung (pleural mesothelioma) or in the stomach the lining (peritoneal mesothelioma). The exposure to asbestos is an important risk factor for mesothelioma. After exposure, https://vimeo.com/704898099