Thanks, everyone! So far things appear to be good. He went back to school yesterday for the first time since the surgery. He's not in any pain and seems to hear things normally, but I've only talked with him on the phone.
Thanks, again. To those who are or will experience the same with with their children or grandchildren, my sympathies are with you.
Semiretired. Working parttime at Historic Westville as a tour guide.