ABSTRACT OBJECTIVE To regulate the safety, efficacy, complications, and prognostic factors for survival related to the utilize of expandable radiofrequency (RF) electrodes in the treatment of centrally placed hepatocellular carcinoma (HCC). PATIENTS & METHODS Eighty-six patients with centrally placed single HCC (≤5 cm) undergo RF ablationusing expandable electrode. Therapeutic safety and efficacy were evaluated. Logistic regression analyses of risk factors ... إقراء المزيد