食管癌采用手术治疗是首选的方法，但其中有相当一部分的肿瘤穿透食管壁向外侵犯，与周围组织有不同程度的粘连，影响到手术切除的成功率，但一般的胃镜及Ｘ线钡餐造影检查难以查明这一情况。我们采用为经食管超声心动检查设计的食管探头对食管癌患者进行术前检查，以期用此种 Surgical treatment of esophageal cancer is the preferred method, but a considerable part of the tumor penetrates the esophageal wall and invades the surrounding tissue with different degrees of adhesion, affecting the success rate of surgical resection, but the general endoscopy and X-ray Barium meal examination is difficult to identify this situation. We used an esophageal probe designed for transesophageal echocardiography to perform preoperative examinations on patients with esophageal cancer in order to use this