To put your mind at ease, I would specifically ask for testing for hep B and C. Also, I think a second opinion would be helpful.
P.S. As far as I know, a sonogram will show cirrhosis or tumor, but not hepatitis. Hepatitis is a virus in your blood stream and there are specific blood tests for it.
Post Edited (hep93) : 12/10/2006 8:37:43 AM (GMT-7)