Scan day freaking sucks......yet again. Probable curse words included.

Yes, go with ostrich. It's the only possible reaction - you can't do anything rational in such an irrational environment. But whether your head is in the sand or in the air, you have to wait. As @zoffiel says lopping off is an option, but after all this time, you KNOW that the biopsy afterwards will be clear as a bell and show nothing wrong. So you have to wait. Breathe.