Whatever's going to be done needs to be done quickly. We don't have much time left.
How long will she survive once the feeding tube is removed?
She was able to last 6-7 days on the previous occasion, until the feeding and hydration was restored. However, she is probably in a more weakened state now. But, by the same token, this is a struggle between good and evil; a spiritual war. So she may be able to draw sustenance which we are not able to imagine.
(NO flames please; there is a lot of passion on this issue. I am ringing in with my personal thoughts.)