As first reported by the Inquirer's Jim Salisbury, Brett Myers was told that he may need surgery.
In addition, here's the official statement from the team:
"After speaking with Phillies Team Physician Dr. Michael Ciccotti this afternoon, Brett Myershad an x-ray last night that revealed bone spurring in his right hip joint," said GM Ruben Amaro Jr. "He had an MRI this afternoon that revealed fraying an possible tearing in the labrum of the hip. Brett will seek a second opinion from a hip specialist to be determined.
"It is possible that Brett will not make his next start. That decision as well as any decision on a possible DL stint or surgery will be determined at a later date."