Abdominal Aortic Aneurysm: Indications for Surgery HealthCare Abdominal aortic aneurysm indications for surgery Symptomatic at any size, Asymptomatic at ≥ 5.5 cm, Asymptomatic, <5.5 cm but rapidly expanding at >0.5cm in 6 mo or >1cm in 1 year. print Related