531: DEVELOPMENT AND VALIDATION OF A RISK SCORE FOR PREDICTING HEPATOCELLULAR CARCINOMA IN CHRONIC HEPATITIS B WITHIN A LARGE, REPRESENTATIVE, NORTHERN CALIFORNIA COHORT.

Varun Saxena, Liyan Liu, Joanna B. Ready, Mai Sedki, Krisna P. Chai, Suk I. Seo, Nizar A. Mukhtar, Sreepriya Balasubramanian, Brock A. Macdonald, Neil Mehta, Julie A. Schmittdiel