It's tough but doable. Usually 6 weeks of short weekday radiation treatments which last about 15 minutes each and maybe three lots of chemo or weekly chemo. The worst part is that it affects the inside of your mouth and throat which become painful. BUT these side effects can be dealt with. Teams who run this treatment all over the world run like well oiled machines because it is such a distinct and well used protocol. They will look after you well.
To me, the magic is that chemoradiation can get rid of a tumour without surgery.