Carlsson-Smith

Chicago Blackhawks team physician Dr. Michael Terry today released the following medical update:

Defenseman Lucas Carlsson is out for tonight's game at Detroit (concussion protocol).
Additionally, Dr. Michael Terry released the following statement regarding forward Zack Smith:
"Zack Smith underwent surgery today on his back and the surgery went well. We anticipate Zack to be ready to return in 3-4 months."