The conventional answer is no, that it needs to be monitored, and if it ever gets large enough to pose a substantial risk to your health, then you will need surgical intervention. An enlarged aorta tends to slowly get larger over time. Sometimes it will stay the same for a long time, which is good. Sometimes it will enlarge quickly, and that is a strong sign that something needs to be done about it. But you only know what is happening if you have it checked periodically.