左侧腹膜后实质性肿物章咏裳病史报告：男，４０岁，在健康体检时Ｂ超检查意外发现左侧腹膜后有一４０．０ｃｍ×３．５ｃｍ实质性肿物，无其他任何症状和体征。入院检查，脉搏、血压正常，心肺正常，腹腰部未发现阳性体征。血尿常规、肝肾功能及血电解质正常，胸透阴性。... The left side of the retroperitoneal solid mass Zhang Shiqi history report: male, 40 years old, in the physical examination B-ultrasound accidentally discovered a retroperitoneal left 40% (40.0cm × 3.5cm) solid mass, without any other symptoms and signs. Admission examination, pulse, blood pressure normal, normal heart and lung, no positive signs found in the abdomen and waist. Hematuria, liver and kidney function, and blood electrolytes were normal, and chest x-rays were negative. ...