Rey Mysterio has successful surgery on Wednesday; more info, photos
On Thursday, February 28, 2008 at 5:00 PM EST WWE.com has an article up at this link regarding Rey Mysterio's bicep surgery on Wednesday in San Diego.
The surgery was performed by Dr. David Chao of the Oasis Sports Medical Group, with the doctor adding that bicep tear was one of the most significant he had seen saying quote, "Rey made it [the tear] worse by trying to compete with this injury on more than one occasion, but we are confident the surgery has repaired all damage."
Photos of the surgery can be seen at this link.