Inclusion Criteria:  Adult s (18 80 years) with HCC and who refused surgical resection Tumour number not more than five and the largest tumour size not larger than 5.0 cm; Ill defined lesions which are not easily detected on grey scale USG for lesion targeting. Liver function status at Child Pugh class A or B; East Coast Oncology Group (ECOG) performance status value 0 or 1; No severe coagulopathy (e.g. platelets ≥50,000/ prothrombin time ratio ≥ 50%). Available medical records and/or imaging studies.  Exclusion Criteria:  Presence of vascular invasion and extrahepatic metastases at pre procedure imaging study; Ongoing anticoagulant treatment that cannot be stopped; Combined TACE and ablation for a larger lesion