题目内容

患者,男性,50岁。有慢性肝炎病史20年,近期肝区持续胀痛。查B超发现肝右前叶4cm×3cm占位性病变。有助于明确诊断的检验是()。

A. HBsAg(+)
B. RBC7×109/L
CA19-950ng/ml
D. AFP2000μg/L
E. TB22mmol/L

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