A guy who had cancer and was suffering through chemotherapy came up with the idea that rather than using chemo to kill of cancer cells with all it's side effects why not implant the cancer with metal and use radio waves to heat it up and kill it.
He got a lot of interest from the medical comunity in using this idea as a less unpleasant way to kill off cancer cells.
The guy eventually succumbed to leukaemia but the process he devised combined with gold nano particles designed to bind to cancers shows promise in animal testing and if it continues to pass testing could one day be used as an alternative to chemo.