Eileen, I found some information on PDT.
1 877 275 7724 Roswell Park Cancer Institute
Buffalo, New York. Re: Clinical Trials
National Cancer Institute www.cancer.gov
We need a cure for ourselves, our children. I'll keep you posted if I hear any more information on PDT. Carol Ann.

Carol CG to Husband age 60 Stage IV SCC right tonsil T4AN2B tx rad x 35 chemo x 2 Currently after treatment no sign of cancer in throat. (all clear to date)