病史摘要 患者，男性，４９岁。左上腹包块进行性增大３年。查体：心肺听诊无殊，腹部不对称，见静脉曲张，左中上腹明显隆起，超过腹正中线至脐下，约２１ｃｍ×１８ｃｍ，质硬，边界清，较固定无压痛。ＣＴ示左侧腹膜后肿瘤，左肾受压，与肿块呈抱球状，在全麻下行腹膜后肿瘤 Summary of patient history, male, 49 years old. Left upper quadrant mass increase of 3 years. Physical examination: cardiopulmonary auscultation, abdomen asymmetry, see varicose veins, the left upper abdomen was significantly elevated, more than the abdomen midline to the navel, about 21cm × 18cm, hard, clear border, more than a fixed no tenderness. CT showed left retroperitoneal tumor, left kidney pressure, and the tumor was spherical, under general anesthesia retroperitoneal tumor