Clinical Study of Effectiveness of Radiotherapy Before Surgery in High-risk Relapse Hepatocellular Cancer Patients

Inclusion Criteria: 1. Clinical diagnosis of HCC 2. In high risk of recurrence of HCC but still can endure palliative resection 3. KPS scores are \>90 4. With Child-Pugh Class A liver funcion, serum bilirubin\< 1.5\*normal maxism; ALT and AST\< 1.5\*normal maxism; normal creatinine and urea nitrogen; WBC\>4×109/L, Hb\>110g/L, PLT\>90X109/L. 5. Have signed informed consent Exclusion Criteria: 1. HCC cannot be operated 2. With Child-Pugh Class B/C 3. Have other organ cancer, excluding curative non-melanotic skin cancer and carcinoma in situ of cervix 4. Have other severe disease 5. With active hepatitis 6. Have accepted local radiation therapy in other hospitals 7. KPS scores≤70 8. Tumor edges cannot be defined 9. Have severe cirrhosis complication 10. Intensity modulated radiation therapy cannot reach required dose 11. Cannot cooperate 12. Lactant or pregnant 13. Cannnot be informed