RT Book, Section A1 Elefteriades, John A. A2 Crawford, Michael H. SR Print(0) ID 1139748390 T1 Thoracic Aortic Aneurysms & Dissections T2 CURRENT Diagnosis & Treatment: Cardiology, 5e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259641251 LK accesscardiology.mhmedical.com/content.aspx?aid=1139748390 RD 2024/04/16 AB ESSENTIALS OF DIAGNOSISAscending aortic diameter > 4 cm on imaging study.Descending aortic diameter > 3.5 cm on imaging study.