患者，男，４８岁。进行性吞咽困难二月余，食管吞钡摄片示食管中段癌。病灶长约５ｃｍ。门诊拟食管中段癌收入院。术前常规检查，胸片示左上肺近肺门处有一实质性块影。胸部ＣＴ及纤支镜检查诊断为左上肺癌。于１９９７年８月１８日在静气复合麻醉下行左侧剖胸探查术，术中见 Patient, male, 48 years old. More than two months of progressive dysphagia, esophageal tuberculosis shots showed cancer in the middle esophagus. The lesion is about 5cm long. The outpatient department proposed the middle of the esophageal cancer income hospital. Preoperative routine examination, chest X-ray showed a substantial block shadow of the left upper lung near the hilum. Chest CT and bronchoscopy were diagnosed as upper left lung cancer. On August 18, 1997, under the static gas compound anesthesia, the left side of the chest exploration operation, see