某患者，右上腹痛伴发热9天，超声检查显示：肝右叶见一7cm×8cm的低回声区，边缘厚而不齐，边界模糊，后方增强效应明显，隔肌运动减弱，右胸腔内见新月状无回声区。最可能的诊断是（）。_北京住院医师医学影像(综合练习)_全学科试题题库

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某患者，右上腹痛伴发热9天，超声检查显示：肝右叶见一7cm×8cm的低回声区，边缘厚而不齐，边界模糊，后方增强效应明显，隔肌运动减弱，右胸腔内见新月状无回声区。最可能的诊断是（）。
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