Mesothelioma is a rare and serious cancer caused by exposure to asbestos. It takes 20 to 50 years to develop and occurs in the lining of the lungs, chest, abdomen and heart.

Types of Mesothelioma
Malignant mesothelioma is a cancer of the mesothelium caused by asbestos exposure. The mesothelium is a thin membrane that protects and lubricates different body cavities, such as the chest and abdominal cavities. Learn more about this rare disease in our free Mesothelioma Guide.