ANAHEIM, Calif. — Dallas Stars defenseman Miro Heiskanen underwent knee surgery in New York on Tuesday. Stars coach Pete DeBoer told reporters before Tuesday night's game against the Anaheim Stars that Heiskanen's status is classified as “month to month,” possibly leaving a window for him to return late in the regular season or during the playoffs.

Stars defenseman Miro Heiskanen has a new injury timeline after a successful knee surgery. What does it mean for Dallas?

Dallas Stars defenseman Miro Heiskanen had knee surgery on Tuesday and his status is "month-to-month," coach Pete DeBoer told reporters. Heiskanen, who was placed on injured reserve last week, potentially could return this season.