<prompt> Risk of aneurysm rupture is 25 per year when the size is greater than4 cm6 cm7 cm8 cm  <response>: Ans. c 7cmRef: Guidelines for the treatment of abdominal aortic aneurysms. J Vase Surg. 2003,375:1106The annual risk of rupture based upon aneurysm size is estimated as follows:Less than 4.0cm in diameter -0Between 4.0 to 5cm in diameter 1Between 5.0 to 6cm in diameter 116.0cm in diameter 25 