Awww (((((((((( jbug )))))))))))
It's understandable you would be bummed...you've worked up to the fact you were going to have the surgery at a specific time and then it changed on you....that really stinks.
Maybe when you speak with the person who does the scheduling you can be asked to be put on a cancellation listing so that if someone cancels, you can slip into their spot?

sabby