Thx. Surgery 2/15. <br />
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Best of luck Michelle. You're going to sail through it. 

Hi Colleen: Do we know what makes the Aortic Aneurysm expand? or stretch ? Mine is 4.3 and has been that since 2006.

Good question @grandmajan.
This article from Mayo Clinic http://mayocl.in/2eL520R states "Many start small and stay small, although many expand over time. How quickly an aortic aneurysm may grow is difficult to predict." Understanding the cause of the aneurysm can be a clue as to what causes it to grow, ie high blood pressure. It sounds like there is no single answer that applies to everyone, and explains why active monitoring is important.

Colleen: Thank You for the information. That helps.