Asbestos facts: Pericardial Mesothelioma is a rare type of cancer that develops from Asbestos exposure. The fibers lodge in the body and cause malignant cancer cells to develop in the lining of the heart. Symptoms for this disease may not manifest for decades. If you may have been exposed to Asbestos in the past, it is vital to inform your doctor. Call us today if you live in the California area.