对以双下肢水肿为首发表现的肺癌1例分析如下。1病历摘要男,71岁。主诉双下肢水肿1个月,发现左肺下叶占位2 d。水肿无明显诱因,1个月来曾在内科就诊,作生化检查肾功、肝功及电解质等均正常;无明显慢性咳嗽及肺心病史。由于肩、胸部外伤行胸片检查时发现左肺下叶占位而入院,入院 An analysis of 1 case of lung cancer with first manifestation of both lower extremity edema is as follows. 1 medical record summary male, 71 years old. The main complaint of edema of both lower extremities 1 month, found the lower left lung space occupying 2 d. No obvious incentive to edema, 1 month in medical treatment for biochemical tests of kidney function, liver function and electrolyte are normal; no history of chronic cough and pulmonary heart disease. As a result of shoulder and chest trauma chest radiography and found that left lower lobe occupancy and admission, admission