Methods On the base of the peculiar anatomic structure and the pathological changes of gastroesophageal anastomosis thoracic cavity fistula, we designed the mushroom covered stent.

• 方法根据食管胃吻合口区的特殊解剖结构和吻合口胸腔瘘的病变特点,设计蘑菇状覆膜内支架。