[单选] 42岁女性因机动车事故就诊于急诊科。仅受到轻微外伤，病情稳定后出院。随访CT发现肝脏有一个直径约3cm肿块而再次入院治疗。CT表现为由外向内逐渐增强以及中心的低密度区。无饮酒嗜好及肝炎、肝硬化病史。肝功能检测正常。未服用避孕药，未诉有疼痛、恶心、黄疸及体重减轻。对于这位患者，有什么建议？A 42-year-old woman presents to the emergency department after a motor vehicle accident． She sustains only minor injuries and is discharged in stable condition， but is referred to your clinic for follow-up of a 3-cm mass in segment 6 of the liver found on CT scan in the emergency department． This mass was found to demonstrate progressive peripheral-to-central enhancement with a central hypodense region． She does not drink alcohol and does not have any history of hepatitis or cirrhosis． Her liver function tests are normal． She does not take oral contraceptive pills． She has no complaints at this time， including no pain， nausea， jaundice， or weight loss． What is your recommendation to this patient？