BOSTON - The Boston Bruins say defenceman Andrew Ference has undergone successful surgery to repair an abdominal hernia and a torn groin.

Ference's recovery time is estimated at four to six weeks following the surgery Wednesday at Massachusetts General Hospital.

The 30-year-old Ference played in 47 regular-season games for Boston, recording a goal and 15 assists.

His career NHL totals include 24 goals and 109 assists.