> FYI. It is the heat produced by instantaneous halting of high-speed > electrons inside a tumor that kills the tumor, not the radiation. > > From one who used to work for Varian Oncology Division. > > wj You can't imagine the kind of job I feel in hearing this kind of stuff. Should have become an engineer, obviously. (No math abilities, alas). BBBBBBBBBBBBBBBBBBBBBBBB