患者,女性,65岁,无明显诱因出现左侧腰背部、左上腹胀痛不适1月余。2影像学表现CT平扫示腹腔内可见一巨大软组织肿块影,大小约14.0 cm×12.0 cm,肿块包绕左肾并与腹腔内邻近组织分界不清(图1～2),增强后呈轻度均匀强化,肿块包绕左侧肾血管、腹主动脉、左侧髂血管;左侧腰大肌、胰腺、脾脏受侵。右侧肾 Patients, women, 65 years old, no obvious incentive to appear on the left lower back, left upper quadrant pain discomfort more than 1 month. 2 imaging CT scan revealed a huge soft tissue mass in the abdominal cavity, the size of about 14.0 cm × 12.0 cm, the mass wrapped around the left kidney and adjacent intra-abdominal tissue unclear (Figure 1 ~ 2), enhanced and light Degree of uniform enhancement, the mass surrounding the left renal artery, abdominal aorta, left iliac artery; left psoas, pancreas, spleen invasion. Right kidney