Have you gained weight over these past 5 years. Has your consumption of calorie-rich and fat-rich foods increased? Fatty liver is the most common cause of hepatomegaly (enlarged liver) or enlarging in adults. How about your drinking history? Have your drinking habits changed? Good diet control and active lifestyle will help reduce a fatty liver Also, an ultrasound scan is operator-dependent. So, some variations may be noticed in values. Further concerns may require a consultation