[Coyoteman]

Well radio waves are a form of radiation. By sending multiple beams that cross at a cancer it is possible to give the cancer much more radiation than the surrounding healthy tissue.

So this isn’t unthinkable except that precision would be better without the pie pans and with some better controls.

He could also give himself some new cancer.

I think they are generating heat in the metal (gold), more like a microwave oven does than what is normally thought of as radiation.

Because the gold attaches to the cancer cells, that heat is directly applied, causing selective cell death.

I would suspect that the frequency involved is far from what is normally thought of as "radiation."

[gondramB]

That makes sense.