 Is the thermogram a lot more expensive? Is that why the medical profession? No, no. I don't know why. Well, was there also any kind of issue with, I know with a dense breast that the mammograms don't work as well? Yes. Is that the issue that you were having? I had very dense breasts. Mammograms do not work on 20% of the population of women that take them. I'm not saying throw the baby out with the bath. I am saying that if you have dense breasts and you're young, you may want to ask for sonogram at the same time, or thermography, or something else as well.