A 58-year-old man with a 15-year history of hepatitis B cirrhosis undergoes surveillance CT with multiphase contrast imaging. A 2.2 cm nodule is identified in the right lobe. The structure marked **A** in the diagram demonstrates arterial phase hyperenhancement with portal venous phase washout and an enhancing capsule. The patient's alpha-fetoprotein is 180 ng/mL. Based on the imaging characteristics shown, what is the most appropriate next step in management according to current BCLC staging guidelines?