It pretty much means that the Major vein leading from the bottom of your body to the heart, is slightly dilated or wider. The aortic root is where the aorta meets up with the heart. Normally I'd say you're alright, though try to maintain a low salt diet to prevent hypertension.
The DV for dietary fiber is 25g, which is 100% DV. ... This amount is recommended for a balanced daily diet that is based on 2,000 calories, but can vary, depending on your daily intake of fat and protein.