EFFICACY AND SAFETY OF SORAFENIB (SOR) IN PATIENTS (PTS) WITH ADVANCED HEPATOCELLULAR CARCINOMA (HCC): SUBGROUP ANALYSES OF THE SHARP AND ASIA-PACIFIC (AP) TRIALS BY BASELINE (BL) TRANSAMINASE (ALT/AST)/ALPHA-FETOPROTEIN (AFP) AND BILIRUBIN (BIL) LEVELS