 and we take an x-ray and we look to see where that's at and that tells us the path of this tract and generally when we go and we find these kind of tracts with these kind of x-ray techniques we know there's something generally at the back end of that tract so we follow it back to its main point and that's where we go hunting and it may take something like getting a specialist that can do that or even do a contrast study with something like a ct scan believe it or not