That zapper of yours sounds like a rife generator. I am a poor person that can't afford the asking prices for most machines so I am lucky a friend lent me his basic zapper.
I have seen the computer program rife generator that you patch through a stereo that I can afford. I will do what I can with what I got and I am blessed that I can do so much for her.
your post did get me thinking that I could modify walkman type headsets to get the pads close to her tumor.