Hard to say either way. Though it can't be ruled out at all, that would seem to me to be very early to be due to the treatments if she only started the protocol 5 days ago and B-17 by itself is usually slow acting (and not something I would depend on as a standalone treatment, though it is certainly a good item to include in an overall anti-cancer protocol. Could you give us more detail about the protocol?
One thing I would NOT do is removal of any lymph nodes. See: