Fig. 2From: The value of intra-operative ultrasonography on safety margin and outcome during liver resection and radio-frequency ablation in the management of hepatocellular carcinoma patientsA, B RFA technique used in the study was (USA). Equipment for RFA and ultrasonography (4-way laparoscopic transducer BK medical, type 8666-RF, 10–4.3 MHz, contact surface 30X5 cm)Back to article page