One Dr. says it and everyone else is wrong.
One doctor disagrees and it is not unanimous, which is what the judges were claiming. Dr. Maxfield and Dr. Webber seem to disagree as well. According to the following article, 14 doctors offered sworn statements that Terry is not in a PVS:
http://www.theempirejournal.com/021005bci_bush_could_intervene_i.htm