患者男性，３３岁。体检Ｂ超发现肝内占位病变１个月。发病以来，无任何自觉症状，入院查体未见异常。辅助检查：Ｂ超示①左肝囊肿；②左肝实性占位。ＨＢｓＡｇ（－）。血生化检查示肝、肾功能正常。入院后行“剖腹探查，Ｂ超引导下左肝内侧叶实性占位切除术”。术中Ｂ超... The patient is male, 33 years old. Physical examination of B-site findings of intrahepatic lesions for 1 month. Since the onset of illness, there has been no subjective symptoms, and no abnormalities have been seen in the examination. Auxiliary examination: B-shows 1 left hepatic cyst; 2 left hepatic solid mass. HBsAg(-). Blood biochemical examination showed normal liver and kidney function. After admission, he was referred to as “exploration of the laparotomy and realignment of the medial lobe of the left liver under the guidance of B ultrasound.” Intraoperative B ultrasound...