1病例资料患者,男,27岁。主因腹痛40d伴呼吸困难1d就诊于我院急诊科。腹部增强CT提示:①左后纵隔跨膈肌延伸至腹腔巨大软组织肿物,考虑恶性可能;②左侧肾上腺病灶,转移瘤可能;③脾脏低密度影;④脾周及腹腔内少量积液;⑤腹膜及肠系膜多发结节影,腹膜后多发增大淋巴结;⑥左侧少量 1 case information patient, male, 27 years old. The main abdominal pain 40d with dyspnea 1d treatment in our hospital emergency department. Abdominal enhanced CT tips: ① left posterior mediastinum across the diaphragm to the huge peritoneal soft tissue mass, consider the possibility of malignancy; ② left adrenal lesions, metastases may; ③ low density spleen; ④ a small amount of spleen and peritoneal effusion; Multiple peritoneal and mesentery nodules, multiple retroperitoneal lymph nodes; a small amount on the left