No one knows how far her recovery will come. Talk about miracles.
Although Terri is immobilized for the most part and can not speak, she is still able to move slightly, express emotions, and is very much aware of her environment.
Not that I believe in Euthanasia, but judging from these standards, she is the candidate least suited for such an action. That and the fact that her face expressed horror when her parents tell her what is in store for her.