Pleural plaques, or also called fibrous buildups on the outer (parietal) pleura, are most commonly caused because of occupational exposure to asbestos, and are frequently seen in those individuals who have worked in asbestos removal. Pleural plaques in and of themselves are benign, and cannot thereby become cancerous, although it has been postulated that individuals suffering from plural plaques are at higher risk for eventual development of Mesothelioma or lung cancer.
 The presence of pleura...