Jayson Tatum will miss at least the rest of the playoffs and beyond. The Celtics announced Tuesday that Tatum underwent successful surgery to repair a ruptured right Achilles tendon. Considering the severity of the injury, Tatum will be expected to miss a significant amount of time. Here’s the full statement from the Celtics:

Jayson Tatum was having a phenomenal game against the Knicks. The Celtics superstar got up to 42 points, eight rebounds, four assists, four steals, and two blocks before his night came to an abrupt end.

The Celtics superstar suffered a potentially serious injury in the fourth quarter of Boston’s loss to the Knicks in Game 4 of their series on Monday night.