Phillies right-handed pitcher Zack Wheeler underwent successful thrombolysis surgery Monday to remove a blood clot in his right shoulder.

PHILADELPHIA - Phillies pitcher Zack Wheeler had a successful thrombolysis procedure to remove a blood clot in his right upper extremity by Dr. Paul DiMuzio at Thomas Jefferson Hospital on Monday, the Phillies announced. The club said further treatment and a subsequent timeline of recovery will be determined.

The procedure was completed by Dr. Paul DiMuzio at Thomas Jefferson University Hospital. Wheeler, who is on the 15-day injured list, felt heaviness in his shoulder following his start on Friday, and was later diagnosed with a blood clot near his shoulder.