18-75 years;

phc that could not be treated with surgery;

patients with clear consciousness，cooperation;

informed consent: authorization and signature.

preexisting dialysis;

known hypersensitivity to the contrast media;

complete portal vein thrombosis (main trunk or both branches);

with severe cardiovascular or renal disease;

extensive arteriovenous shunting;

insufficient function of the remaining liver (child-pugh class c).