Aortic Aneurysm, Thoracic

Aneurysm, Thoracic Aortic; Aneurysms, Thoracic Aortic; Aortic Aneurysms, Thoracic; Thoracic Aortic Aneurysm; Thoracic Aortic Aneurysms
An aneurysm in the proximal portion of the descending aorta proceeding from the arch of the aorta and giving rise to the bronchial, esophageal, pericardiac, and mediastinal branches.