Happy to see you back to diving. Hope the surgery goes good. I had one for a deviated septum and it was one of the best moves I have made in my life. Diving was just part of it. It made a tremendous difference. I got reverse blockage ascending from a deep dive. It was terrible. Everyone was on the boat waiting for me and I had to crawl up the line and stop every 10 feet or so. They dropped another tank for safety, but fortunately I didn't need it. So definitely helped on the diving side. I also got over a Dristan (not even sure how to spell it anymore!!!) addiction.... (nose spray). That stuff is horrible to be addicted to. Good luck to ya!!!