It makes you wonder what his surgeons were doing on Op 2 & 3 which were supposed to clear up debris and loose ends from his initial surgery. I'll go along with bonobobananas and say that's his competitive days over. I do hope he takes everything into consideration as I'd hate to see him permanently affected by this if he tries to play on.
“Golf is a game whose aim is to hit a very small ball into an ever smaller hole, with weapons singularly ill-designed for the purpose”
Winston S Churchill