Mesothelioma Lung Cancer Asbestos is a known cause of asbestosis, lung cancer and mesothelioma. Most mesothelioma cases start in the lung. A less common type of mesothelioma begins in the lining of the abdomen known as malignant mesothelioma of the peritoneal region. Mesothelioma, as with all cancers, is caused by https://vimeo.com/705058155