Mesothelioma and Asbestosis Two lung diseases are related to exposure to asbestos fibers: mesothelioma, and asbestosis. Mesothelioma is a cancerous condition, is caused by asbestos fibers. Asbestosis is a non-cancerous lung illness that causes scarring. Both diseases have the same symptoms, like shortness of breath. Doctors diagnose mesothelioma by running
