To determine which treatment modality--hepatectomy or percutaneous ablation--is more beneficial for patients with small hepatocellular carcinoma (HCC) (< or =4 cm) in terms of long-term outcomes.
Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan.
