Is It Safe To Undergo Surgery After Being Exposed To Cigarette Smoke After Quitting It For Over Two Years?

MY BOY FRIEND IS GETTING SURGERY HE QUIT SMOKING FOR MORE THAN 2 YRS NOW, HE ENDED UP BEING IN A ROOM FILLED WITH CIGARETTE SMOKE FOR MAYBE AN HR. THE SURGERY IS THIS FRIDAY. IS IT SAFE TO GET THE SURGERY? ITS REALLY PRCEDURE BUT REQUIRES ANESTESIA