Add Yahoo as a preferred source to see more of our stories on Google. Dermatologist holding lipoma on patient's arm If you've ever had a lipoma, chances are it freaked you out at first—it's a lump!

If you've ever had a lipoma, chances are it freaked you out at first—it's a lump! But experts agree not to worry too much, especially if you've gotten it examined by a doctor. No one knows what causes ...