Kane left Tuesday's game against the Panthers with an upper-body injury and will not return, ESPN Chicago reports. Kane sustained the injury on a cross check by the Panthers' Alex Petrovic near the eight-minute mark of the first period. The Blackhawks winger lost his balance after the hit and tumbled into the boards, appearing to hurt his left shoulder or arm. Both the team and fantasy owners alike are surely holding their breath for good news regarding Kane, who is tied for the league lead with 64 points on the season. More information regarding the extent of his injury should become available within the next couple of days.