Mesothelioma and Asbestosis Two lung diseases are connected to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma is a kind of cancer, while asbestosis is a noncancerous condition that causes scarring and stiffness in the lungs. Both diseases share similar symptoms, including breathlessness. The doctors diagnose mesothelioma through tests such as https://vimeo.com/704936425