Conclusion Combined treatment of TACE and PEI can effectively eliminate circulating hepatocellular carcinoma cells and thereby prevent metastasis and recurrence of HCC.

• 结论联合TACE及PEI治疗复发性肝癌可有效地杀灭血液中播散的循环性肝癌细胞，可预防肝癌再复发和转移的发生。