The efficacy of ligation of the thoracic duct above the diaphrenic level for treatment prevention of postoperative chylothorax is definitive and accurate.

• 结论食管癌术后乳糜胸应本着预防为主、综合治疗的原则，隔上低位胸导管结扎术对治疗和预防食管癌术后乳糜胸，疗效确切。