|Take care of your breasts and they'll take care of you.|
Now, a Reuters story reports that the "every two years" study was faulty. "In the new analysis, the team found that annual mammograms starting at age 40 save 65,000 more women from breast cancer than mammograms done every other year in women 50 and older."
So, yes, get thee a mammography. If you don't have insurance, you can find a list of free or low-cost ones at the American Cancer Society and click on the "In Your Area" tab on the top right.