Mesothelioma Asbestosis The exposure to asbestos lawyer is the reason for both mesothelioma and asbestosis. Both are long-term health problems. Mesothelioma is a form of cancer, and asbestosis is a non-cancerous scabbing of lung tissue. A biopsy is the most popular way to diagnose mesothelioma pleural. Doctors look at a small amount of pleural tissue using a...