SOrry, I don't know for sure. If it is a hernia, I think it would have to do with how big it is, where it is, if it is seen on the UPPER GI series. I think I remeraber being told AFTER the endoscopy that I didn't have a hernia, not the GI series, but that was 2.5 years ago so I can't say for sure. It is stressful waiting for any kind of test, and wondering WHY they are doing it, but we must be grateful that we live in an era and a place in the world where they can do these things, figure out what is going on (hopefully!!!), and then plan from there.