Roy Halladay's surgery Wednesday in Los Angeles was a success, the Phillies said in a statement Thursday afternoon.

The veteran righthander underwent an arthroscopic procedure during which his shoulder was evaluated and worked on. According to team physician Michael Ciccotti, Halladay "underwent debridement of his labrum and rotator cuff as well as removal of an inflamed bursa."

Ciccotti said in the statement that Halladay can begin a throwing program in six to eight weeks if all goes well in his rehab program, which will begin immediately.

Halladay, who turned 36 Tuesday, went on the disabled list after experiencing shoulder soreness in late April. He was 2-4 this season with an 8.65 ERA. The two-time Cy Young Award winner is in the final year of his contract with the Phillies and is hopeful he'll be able to pitch for them again before the end of the season.