Primary liver cancer(PLC) is one of the most common and fatal carcinomas in the world.It takes the third place of cancer-related death globally and the second in China (more than half of the cases are in China).Though some of the patients have survived for a long time through early diagnosis and comprehensive therapy,however,metastasis and recurrence has become the major obstacle for further improvement of prognosis.The 5-year recurrent rate was as high as 60%after curative resection.At this moment, p...