Aclient with a diagnosed abdominal aortic aneurysm (aaa) develops severe lower back pain. which is the most likely cause?

The correct answer is that "The aneurysm may be preparing to rupture."

Abdominal aortic aneurysm is best described as a localized expansion of the abdominal aorta such that the diameter is greater than 3 cm or more than 50% larger than common diameter. They typically motive no symptoms except when ruptured. from time to time, abdominal, returned, or leg pain mayarise.