Landis' hip surgery successful

Embattled American cyclist Floyd Landis underwent surgery on his injured right hip in San Diego, Ca on Wednesday. The operation lasted two hours, and Dr. David Chao, who has operated on Landis twice in the past, declared it a success.

Landis announced during the Tour de France in July that the broken hip he sustained in a crash while training in January 2003 near his home in Murietta, Ca., caused avascular necrosis. The disease resulted from decreased blood flow to the head top of his right femur and caused progressively increasing pain as the joint deteriorated over time. The surgery revealed greater damage to Landis' hip than initially shown in MRI screenings, but was performed successfully and without complications.