Treatment for malignant pleural mesothelioma has undergone dramatic shifts in the past few years. To discuss these changes and the research behind them, Lung Cancer Considered Host Dr. Stephen Liu welcomes Dr. Sanjay Popat and Dr. Melina Marmarelis. Dr. Popat is a Consultant Thoracic Medical Oncologist at The Royal Marsden and Professor of Thoracic Oncology at the Institute of Cancer Research, in London, England, and Chair of the British Thoracic Oncology Group. He is also on the Board of Directors for the Mesothelioma Applied Research Foundation. Dr. Marmarelis is an Assistant Professor of Medicine at the Hospital of the University of Pennsylvania and the Medical Director of the Penn Mesothelioma and Pleural Program.