手术一直是治疗食管癌的主要手段，而病变的大小、部位、病理类型及术前诊断主要是靠Ｘ线钡餐及内镜检查，也是估计能否手术切除的主要依据。ＣＴ及ＭＲＩ可较好地显示肿瘤与周围器官的关系，但由于医生的认识及病人经济情况所限并未成为常规。肿瘤对食管壁侵犯的深度、范... Surgery has always been the main method for the treatment of esophageal cancer, and the size, location, pathological type, and preoperative diagnosis of the lesions are mainly based on X-ray barium meal and endoscopy. It is also the main basis for estimating the possibility of surgical resection. CT and MRI can better show the relationship between the tumor and the surrounding organs, but due to the doctor’s understanding and the patient’s economic situation is not a rule. The depth of the invasion of the esophageal wall, ...