Every doctor strongly believes in the diagnosis he gives patients so the most optimistic a doctor will ever be about a prognosis is immediately after a procedure. But the terms "complications" and "setbacks in recovery" are pretty common in rehab so anything the doctor says about a surgery, especially a surgery that needs another, more major surgery after the season.
How confident can Phillippon be about the effects A-Rod charging a bunt, planting his leg and making an off-balance throw will have on his hip?