Thanks for your reply Anne-Marie!
I had the biopsy of the tumor on my tongue done in the office so I know my ENT can do biopsies in the office, but for some reason didn't feel this could be done without surgery. Perhaps its in a quite vascular area, or is too deep. I'm not even sure exactly where the questionable area is. I'm pretty sure, but not positive. :-)
Since I've had the MRI, I will wait for results, then see what can/should be done.
:-)