The immune system is so complex that this is difficult to understand. I imagine there is some link to the Abscopal effect, where radiation treatment of one tumo

The immune system is so complex that this is difficult to understand. I imagine there is some link to the Abscopal effect, where radiation treatment of one tumor in one part of the body kills the other metastatic tumors. http://en.wikipedia.org/wiki/Abscopal_effect http://en.wikipedia.org/wiki/Abscopal_effect