A certain percentage of the healthy population have smooth muscle antibodies present so your test results may mean nothing. I expect the doctor will refer you for further tests to make sure. Your results don't mean you have cirrhosis nor are they caused by alcohol. In my case I had a positive ANA and positive smooth muscle antibodies, had further blood tests for immunoglobulins, a liver biopsy and was then diagnosed with autoimmune hepatitis which is not the end of the world.
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