Thanks for all your replies. It's been about a week since I noticed the hair loss and posted my question. Since that time, my bald area has increased. It is mostly on the side I received radiation. I'm surprised that 5 weeks out of radiation treatment, I'd be losing hair now. Since my hairdresser didn't mention it when I saw her 4 weeks ago, I now think all the loss has been within the past couple of weeks.

SCC, right tonsil, T1N0MO, G3, HPV-33 positive, 7 wks IMRT 2/21/07-4/13/07, 48 year old female when diagnosed, non-smoker, weekend wine drinker, tumor and both tonsils removed. Ethyol for 3 weeks; no peg; only minimal longterm side effects