61: Does Evaluating Dose to Coronary Arteries Improve Risk Estimates for Late Cardiac Toxicity after Mediastinal Radiotherapy for Hodgkin Lymphoma?. (September 2016) - Hahn, Ezra; Ng, Angela; Bashir, Shaheena; Jiang, Haiyan; Tsang, Richard; Sun, Alexander; Gospodarowicz, Mary; Ahmed, Sameera; Hodgson, David