Please be encouraged. I went through a similar regime. 35 radiation, 7 Chemo for SCC stage 4on my tonsil. I am 13 months out without any signs of anything unusual. My schedule is now check ups every other month after 1 year of monthly visits. It's a journey, but this site appears to offer incredible support from sincere people having experienced a similar journey.
Deal with each day at a time and recognize that there are many survivors having been where you are.
Blessings to you.