Objective To study the relieved rate of esoghageal carcinoma and obstruction by local chemotherapy and local injection of Elemene Emulsion Injection after dilation.

• 目的为了研究晚期食管癌梗阻患者经内镜扩张治疗后,采用局部化疗及注射榄香烯乳对食管梗阻的解除效果及对肿瘤的抑制率。