Caused by exposure to asbestos, mesothelioma frequently involves severe respiratory problems. The virus SV40 may also be a factor in the disease in some people. Mesothelioma is not lung cancer, even though it can affect the lungs. Common locations where mesothelioma occurs in asbestos-exposed workers are the pleural and peritoneal regions. Pleural mesothelioma is cancer of the pleura, which is the membrane that lines the lungs and the chest cavity.
Peritoneal mesothelioma is cancer of the peritoneum, which is the lining of the abdomen.
Each poses similar symptoms and has a fatal outcome. See Diagnosis for details. The tumor encases the lung as it tracks the pleura, causing pain with breathing and creating compromised lung function. Click on the photo to see an enlarged image. Please see our disclaimer .