"I want to caution everyone to understand that this was early in the healing phase and this is not a prognostic indicator and this young man suffered a potentially lethal and grave injury," Bills team orthopedist Dr Andrew Cappuccino said on the Web site. (see link)
"So we are still gravely concerned."

Although doctors felt that the surgery went well, he is still considered to be in a life threatening condition.

He is currently on a respirator and in a drug induced coma after surgery.

article:

http://sport.guardian.co.uk/breakingnews/feedstory/0,,-6912276,00.html