Leading expert in mesothelioma, Dr. Dean Fennell, MD, explains the causes, symptoms, and diagnosis of this rare cancer. Mesothelioma is a cancer of the lining of the chest or abdomen caused by asbestos exposure. Dr. Fennell details how patients often present with shortness of breath due to fluid buildup. He discusses the long latency period and various exposure risks, including occupational and secondary exposure. The interview also covers the current global status of asbestos use and its implications for future cancer rates.