Hi Ineedchangeasap,
Well done on booking your surgery date!
It is natural to be nervous and I don't want to make it any worse for you but I thought you should be careful given this article. http://www.mirror.co.uk/news/uk-news/mums-year-long-agony-after-6340651
Mr Ammori left a tube in someone, I would just make sure your aftercare isn't negligent at all to make sure he doesn't make the same mistake twice.