Issue Summary: January 2018

David A. Bluemke, MD, PhD, Editor of Radiology discusses three research articles from the January 2018 issue of Radiology.ARTICLES DISCUSSED: Pattern of Tumor Shrinkage during Neoadjuvant Chemotherapy Is Associated with Prognosis in Low-Grade Luminal Early Breast Cancer. Radiology 2018;286(1):49-57.Iodixanol versus Iopromide at Coronary CT Angiography: Lumen Opacification and Effect on Heart Rhythm—the Randomized IsoCOR Trial. Radiology 2018;286(1):71-80..