What you want to know Thursday is the differentiation - (this tells you the aggressiveness) and how involved the nodes were. He should already have your appointments set up - start time should be within 5-6 weeks (healing time) between now and then you should meet with a dental oncologist (you may have to have teeth pulled) have a ct - have your mask made - meet with a medical oncologist, radiation oncologist, and a dietician, and have blood work done (this includes a TSH level (gives them a baseline normal for your thyroid which can poop out after radiation.
It's a lot to take in but time will fly - hugs!