Sue Yom, our Editor in Chief, hosts a discussion of two related articles, Temporal Evolution and Diagnostic Diversification of Patients Receiving Proton Therapy in the United States: A Ten-Year Trend Analysis (2012-21) from the National Association for Proton Therapy and Improving Access to Proton Therapy in the United States and Around the World, from the July 15, 2024 issue. Guests are first authors Dr. William Hartsell, former Medical Director of the Northwestern Medicine Proton Center, now practicing in the Advocate and Alexian systems in the Chicago area, and Dr. Derek Tsang, Associate Professor at the University of Toronto and Clinician Investigator in the Radiation Medicine Program at Princess Margaret Cancer Centre.