PBT Proton Beam Therapy was started in 1990. To date 11,842 patients have used this type of radiation. PDT is in the early stages and has not been used on patients as of yet.(according to their website) It will be used in clinical trials in one or two years. It is a SUCCESS!!! We need more information on this drug. I will try to find out more the next time I visit Princess Margaret Hospital. 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)