Hi Bob,
How long ago was the rad treatment?
It burns and hurts because they fried your throat. Try to be patient it should get better.
I didn't have the PEG, but did have radiation and trouble eating. I lost a lot of weight and did not eat much for a while. IT sucks, it hurts. But I am 2 months shy of 2 years post diagnosis and I am really glad to be here and I can eat so much more than I could 1 1/2 years ago!!
Try to hang in there! We've been there.
In the mean time, maybe try eating just very small amounts or find a gentle food that's agreeable. I found it helpful to mentally think of progress on a week by week recovery basis, rather than comparing it to life before cancer. I noticed I could eat a little more each week, or it didn't take me so long (45 minutes) to eat 1 container of yogurt, etc.
I went for creamy textures. Sour things still bother me (I lost 1/2 my tongue). How about Drinking boost/ensure? If that's ok try milk shakes, carnation instant breakfast mixed with milk. I even added cans of ensure to coffee!
good luck, and let us know how it goes,
michelle