My Liver Enzymes Were Slightly Elevated And My Doctors Recommended

my liver enzymes were slightly elevated and my doctors recommended I lose weight and eliminate any liquor for 8 weeks - I've lost weight, I am on an exercise problem and eliminated liquor for the 8 weeks, interesting enough my numbers are now higher they are recommending an ultra sound - my results were very comparable in 2014 as well as 2007 should I be concerned
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Thanks