LAUSR

(S001) Regional Nodal Irradiation in Elderly Node Positive Women: A Patterns of Care Study on Changes in Utilization Over a Decade Jason K. Molitoris, MD, PhD, Tejan Diwanji, MD, James W. Snider, MD, Emily C. Bellavance, MD, Susan B. Kesmodel, MD, Paula Rosenblatt, MD, Katherine Tkaczuk, MD, Soren M. Bentzen, PhD, Randi J. Cohen, MD, Elizabeth M. Nichols, MD, Sally B. Cheston, and Steven J. Feigenberg, MD; University of Maryland Medical Center, Dept of Surgical Oncology, University of Maryland School of Medicine, Dept of Medical Oncology, University of Maryland School of Medicine, Dept of Radiation Oncology, University of Maryland School of Medicine