azari. >> i asked dr. azari, did you do it?rted to sing the rocky theme. >> reporter: coming up, would jonathan's new hand function as dr. azari hoped? >> we're going to try to move your thumb tip. >> reporter: would he be abe to feel the touch of his wife's hand in his again? the day after jonathan's surgery is jennifer's birthday. there was only one gift she wanted. >> that's amazing. >> reporter: stay with us. >> reporter: 21 arduous months after jonathan koch first felt sick, a moment that would have been inconceivable at the start. he awakes from surgery with a newly transplanted left hand. >> i was told that an hour after surgery you were moving fingers >> it was jennifer's birthday, when i got out of surgery she said, i just want one thing, i just want you to move one of your fingers. or i think you said move your thumb. >> that's amazing! >> and i didn't think there was any chance that i could. but i thought about it and it moved. >> what a birthday present! >> yes. it was the best birthday present. >> then all of the s