In this video from our Cancer Basics series, Narjust Duma, MD, Assistant Professor and Thoracic Oncologist with the University of Wisconsin Carbone Cancer Center interviews Dr. Grace Blitzer, Radiation Oncology Resident with the Department of Human Oncology at the University of Wisconsin School of Medicine and Public Health. Dr. Blitzer shares with us a great description of what a CT Simulation Scan for Radiation Therapy is, how it is used, and why it is important for receiving radiation therapy. For more, please visit http://cancerGRACE.org/. To join the conversation, visit https://cancergrace.org/forum.