I hope you are doing well and you'll manage to win your battle with cancer. I'm sure you will. Usually, doctors recommend radiation therapy only if they think that it will destroy the oral cancer tumor and enable the preservation of chewing, swallowing, and speaking function. Since I'm not a doctor, I find it difficult to give you any advice on how to deal with this. You should check
jeffreygrossdds.com. Their dentist is one of the best in Eastlake Ohio and I think he will do a great job for you.