We reported that Jennifer Morrison was to leave House, but it was not her decision to leave. There is yet to be any comments from either the actress or the network on the situation, but we have heard that the door has been left open for guest roles.
According to Entertainment Weekly, it sounds as though the producers have done this out for creative reasons. The news has come to a shock to fans, as she is the first original cast member to leave. We now wonder who will be next.

Fans will be pleased to learn that Jennifer will not be killed off; producers will leave the door open. It seems that she may come back in guest roles. Let us know if you are happy or not with the decision that Jennifer Morrison is to leave House.
Van Morrison: Legendary Singer Becomes a Dad Again at 64
Pardon Plea for Doors Morrison
Big Brother 11: New Head of House