Phase II Study of Adjuvant SIB Radiotherapy Following Narrow-Margin Hepatectomy in Patients With HCC.

Eligibility patients will receive IMRT or VMAT to high risk area of tumor bed and tumor bed. The prescription dose to 95% GTVtb boost was planned at 55-60Gy, with PTV 45-50Gy, in 23-25 fractions,mainly depending on the dose constraints of OARs.