Hello Kirshna, If you search the forum by using the search function, you can find all kinds of messages about eating and getting through radiation treatments. It can be difficult make sure he gets plenty of water and as much food as he can. Any food he enjoys can be processed by a blender to be made nearly liquid. Soups are good too. Hot spicy foods are not good for a while.

Take care

Mark, 21 Year survivor, SCC right tonsil, 3 nodes positive, one with extra-capsular spread. I never asked what stage (would have scared me anyway) Right side tonsillectomy, radical neck dissection right side, maximum radiation to both sides, no chemo, no PEG, age 40 when diagnosed.