My radiation was completed at the end of Nov 2002 and I had a medical food called "FiberSource HN" which was the liquid they fed me when I was in hospital during the surgery. The difference was that in hospital I was fed throught nose tube, at home I just drink it. My Radiation doctor said it was the best nutrition I could get.
I started to eat normal food in late Jan, but I had hyperbaric oxygen treatment which expedited the healing of radiation wound, so it is a different story.