women are going to hear the story of joan london. she got this test. she is 63. if a woman gets a normal mammogram how much comfort can they take in that? >> we have to continue to look at the technology is evolving. we still are aligning with the american cancer society. doing mammograms every year at age 40. self breast examination at age 20, doing it every month. no one would know your breast better than you as a woman. so when you feel something suspicious go to your doctor. if you have a family history we start doing more sophisticated screening earlier so we may add the ultrasound or you may get that recommendation for the 3-d. at this point we cannot make any different screener recommendations based on the information but we are hoping that we're going to see more research, and that women are going to continue to ask these