Descending Thoracic Aortic Aneurysm

**Definition:** An abnormal balloon- or sac-like dilatation in the wall of the DESCENDING THORACIC AORTA.

**Tree numbers:** - C14.907.055.239.125.750 - C14.907.109.139.125.750

**Synonyms:** - Aneurysm, Descending Thoracic Aorta