Brain Angiogram I Have A 4 By 7 Millameter Mass In My Brain What Is This Size Compared To?

I have a 4 by 7 millameter mass in my brain what is this size compared to? - brain angiogram

If there is a problem? I see the start and get an angiogram nero AMI is to act as quickly as possible. Waiting for dr. Call TEL. Someone else has this problem? If so, what happened? My main complaint is of serious concern migraine. Thanks