Examination during an open fung biopsy shows a thick: firm, white pleural tumor that ensheathes the right lung. = Mesothelioma.

Asbestosis is a chronic progressive pulmonary disorder associated with interstitial fibrosis and an increased risk for both primary bronchogenic carcinoma and malignant mesothelioma. Occupational risk factors for asbestos exposure include shipbuilding, roofing, and plumbing.