18F-FDG PET response and clinical outcomes after stereotactic body radiation therapy for metastatic melanoma oleh Ryan S. Youland, MD, Ann T. Packard, MD, Miran J. Blanchard, MD, Andrea L. Arnett, MD, PhD, Gregory A. Wiseman, MD, Lisa A. Kottschade, PA-C, Roxana S. Dronca, MD, Svetomir N. Markovic, MD, PhD, Kenneth R. Olivier, MD, Sean S. Park, MD, PhD