I too went through a scare similar to yours this last week & am happy to say that it my ENT's opinion that it is also scar tissue. Good health to you & your family!

dx 2/11/04 scca bot T3 IU 2B MO poorly differentiated, margins ok, 3/16 modest, jaw split, over half of tongue removed, free flap from left forearm - finished chemo & rad treatment 5/20/04