患者男,67岁,农民。进行性吞咽梗阻1年,食道钡餐检查诊断为食道中段癌,于1996年5月20日入院。23年前因“胃溃疡”行胃大部切除术。检查:身体消瘦,心功Ⅰ级,肺功轻度损害,余术前相关检查无特殊。手术在全麻气管插管下进行。第一步,开腹游离横结肠,离断,保留左结肠动脉血供,端 Male patient, 67 years old, farmer. Progressive swallowing obstruction for 1 year, esophageal barium meal examination diagnosed as middle esophageal cancer, was admitted on May 20, 1996. Twenty-three years ago he had had a gastrectomy for “stomach ulcers.” Examination: Body weight loss, grade I of heart work, slight impairment of lung function, and there is no special examination before surgery. Surgery was performed under general anesthesia with tracheal intubation. The first step is to open the transverse colon, open the abdomen, and retain the left colonic artery blood supply.