 And see, based on that test, we can tell you if you've got plaque in the artery. Now, if it's in the carotid, does it mean it's around the body? It does. Is that a good image? Is that a good visual of the rest of the body? It is. So there's about a 95% concordance between the amount of plaque that you have in your carotid artery to what you have in your coronary arteries in the heart.