From the press release on Pacers.com:
The Indiana Pacers announced Friday that guard Mike Dunleavy underwent successful surgery for removal of a bone spur and repair of his right patellar tendon.
At the direction of the team, the surgery was performed by Dr. Richard Steadman at the Steadman-Hawkins clinic in Vail, Co., with the Pacers' medical staff, Dr. Tim Hupfer, physical therapist consultant Dan Dyrek and head physical therapist/athletic trainer Josh Corbeil, in attendance.
Recovery will be lengthy and no timetable has been set. Dunleavy will miss the remainder of this season. Rehabilitation will begin immediately and will be under the supervision of the Pacers’ medical staff in Indianapolis. Updates will be forthcoming when appropriate.