His surgery was promptly began first and foremost magnets were removed from his body. Removing maggots was the easy part but operating for brain tumor was the challenging part as survival rate from the surgery was pretty low and Iron’s body was already weak due to malnutrition and worms in his body.
Good news is that iron survived but bad news is that he will never be able to see anymore his will to survive was quite strong that caused him to live but iron will be blind for the rest of his life.