Aortic Aneurysm, Abdominal

**Definition:** An abnormal balloon- or sac-like dilatation in the wall of the ABDOMINAL AORTA which gives rise to the visceral, the parietal, and the terminal (iliac) branches below the aortic hiatus at the diaphragm.

**Tree numbers:** - C14.907.055.239.075 - C14.907.109.139.075

**Synonyms:** - Aneurysm, Abdominal Aorta - Abdominal Aortic Aneurysm - Aneurysm, Abdominal Aortic - Abdominal Aorta Aneurysm