Explainer: Mammograms

The Brian Lehrer Show and Clear Health Costs are collaborating on a project to gather the cost of routine mammograms. That data is still being collected, but one common question has already come up: Just what are the different kinds of mammograms, and what is supposed to be "routine"? Freya Schnabel, MD and professor in the Department of Surgery and Division of Breast Surgery at the NYU Cancer Institute, explains the different kinds of mammograms and the latest medical recommendations.