Hate to say this but it does sound like one, there are many ways they can diagnose it but I was more than happy to be knocked out for my tests lol. The good news is it sounds small which means you may be able to get away without having to do to much to it. They are pests and very hard to fix and surgery can often cause more problems however im NOT saying surgery cannot fix them, numerous people have had succsessfull treatment via surgery. Personaly I think if you can get away with it, the least invasive treatment the better.
