Lenvatinib, Sintilimab Plus SIRT for Unresectable HCC

Lenvatinib 12mg (body weight ≥60kg) or 8mg (body weight \<60kg) P.O. QD and sintilimab 200mg I.V. q3w will be started at 3-7 days after the first SIRT. Treatment of sintilimab will last up to 24 months. Patients will be allowed to have lenvatilib or sintilimab as a sigle agent and will be still considered on study when the other drug cause intolerable toxicity.