Objective To investigate the effect and mechanism of arsenic trioxide on hepatoma cell line BEL 7402 and observe the effect and best administration method of arsenic trioxide on hepatocellular carcinoma patients who were not suitable for operation.

• 目的 探讨三氧化二砷 (As2 O3 )对肝癌细胞系BEL 74 0 2的影响及其作用机理 ,并观察不同应用途径对原发性肝癌患者的治疗效果。