Matt Mumber, MD, joins Dr. Lise Alschuler and Karolyn A. Gazella to explain what radiation is, its role in cancer treatment, and how one can support his or her body before, during, and after radiation. Dr. Mumber is a board certified radiation oncologist at the Harbin Clinic in Rome, GA, and the founder of Cancer Navigators, a non profit nurse navigation and educational resource for those touched by cancer.