As you may know Andrea found her tumor by a self exam. The Mammogram did not show the tumor and only after Andrea's insistence did the doctor order a ultrasound and saw the tumor. I tell you this to remind you to be aggressive in checking, and listen to your body, no doctor knows you better than yourself.
Breast cancer is very very curable when found early and the first line of defense is you. The best way to avoid what Andrea is going through is not to be afraid of finding a lump and know your body by doing monthly checks, and if needed be assertive with your doctor. The American Cancer Society is a great source of information. www.cancer.org Here is a summary of their recommendations: