Question: Does Thermography Replace Mammograms? This is the most frequently asked question I receive. Usually following the question: "So… …what is thermography?" Let me see if I can tackle both for you. Thermography & mammography are complimentary tools in the war against breast cancer. Thermography is known to provide the earliest sign that a cancer may be forming. In fact, thermal scans may detect the first signs of some cancers forming years before other procedures such