Aortic Aneurysm, Thoracoabdominal

**Definition:** An abnormal balloon- or sac-like dilatation in the wall of ABDOMINAL AORTA at the aortic hiatus.

**Tree numbers:** - C14.907.055.239.075.500 - C14.907.109.139.075.500

**Synonyms:** - TAA Thoracoabdominal Aortic Aneurysm - Thoracoabdominal Aortic Aneurysm