title: My doctor recently discovered that I have a small umbilical hernia. It's never bothered me, but I was  a little surprised when he suggested we leave it as is unless it gives me any trouble. I thought hernias always had to be repaired. Is this something new?
mesh_terms: D006554:Hernia, Umbilical / Q000150:complications / Q000601:surgery*; D006801:Humans