David,

You did not need to go out and perform an experiment LOL. I do appreciate the effort. So the morale to the story is "sun won't effect the radiated area, but does still cause burn to unprotected skin". I will take this under advicement and be prepared.

Sharon

Sharon, 57; Hard Palate; T1, High Grade, DX 6-12-09, Surgery, maxillectomy 7-14-09, 33 RT (9-2-09 to 10-19-09); Prothesis (obturator). None smoker, non drinker.