My husband went through 35 IMRT treatments and didn't have chemo either. I don't know all of the technical terms, but they caught his cancer early and it was a slow growing type of cancer, so his team of doctors decided radiation alone would be the proper treatment for him. Hope this helps.

Shelley

Caregiver to husband Ron. Throat Cancer. Finished 35 radiation treatments on 11/21/04. 8/2/11 small lesion on lower gum, laser Procedure to remove. 3/6/12 Doc. removed another lesion on outside of his neck. Did a skin graft from his chest to replace the skin on his neck. Went to Heaven on 6/24/12.