Aortic Aneurysm, Familial Abdominal, 3, also known as aneurysm, familial abdominal 3, is related to aortic aneurysm, familial abdominal, 1 and lissencephaly 1. An important gene associated with Aortic Aneurysm, Familial Abdominal, 3 is AAA3 (Aneurysm, Familial Abdominal 3).