Aortic Aneurysm, Thoracic |
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| 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. | |