RT Book, Section A1 Elefteriades, John A. A2 Crawford, Michael H. SR Print(0) ID 1198116496 T1 Thoracic Aortic Aneurysms & Dissections T2 Current Diagnosis & Treatment: Cardiology, 6e YR 2023 FD 2023 PB McGraw Hill Education PP New York, NY SN 9781264643578 LK accesscardiology.mhmedical.com/content.aspx?aid=1198116496 RD 2024/10/08 AB ESSENTIALS OF DIAGNOSISAscending aortic diameter > 4 cm on imaging study.Descending aortic diameter > 3.5 cm on imaging study.