食管癌是一种常见的消化道恶性肿瘤,位于全球肿瘤发病率的第8位,死亡率的第6位。全世界每年约有30万人死于食管癌,我国占半数以上,是世界上食管癌发病率和死亡率最高的国家[1]。肺部并发症是食管癌术后常见并发症并可能威胁患者生命与健康。随着人口的老龄化,老年患者接受食管 Esophageal cancer is a common gastrointestinal cancer, located in the world incidence of cancer in the first 8, the sixth death rate. About 300,000 people die of esophageal cancer each year in the world, accounting for more than half of our country, which is the country with the highest morbidity and mortality of esophageal cancer in the world [1]. Pulmonary complications are common postoperative complications of esophageal cancer and may threaten the life and health of patients. Elderly patients receive esophagus as the population ages