 Another texter writes to 775-55-59. Hi, if you have 100% blockage, not on the LED, but the belief is... Okay, this is probably voice to text. I'm going to do my best. Hopefully you can make sense of it. If you have 100% blockage, not on the LED, but the believe it's ours are a seaside, but you've got collateral circulation that's handling the blood flow, do you need to have the blockage opened with a wire?