Doing the math, your age would now be 92? There is limited to no data supporting routine mammography in patients as the age moves beyond 75-80 much less past 90.
That being said, at 92 you're more likely to live to 100 than someone who is just turning 40. Surely there are reasons to be seeing your physician on an annual basis including a clinical breast exam
. Discuss mmgs with him/her.