英语语法分析

Objective:To investigate the prevention and treatments for chylothorax following esophagectomy.

目的：探讨食管癌术后乳糜胸的防治方法。

Methods Analyse the causes of early gastric exit obstruction following total esophagectomy of 8 cases.

方法分析8例全食管切除术后早期胸胃出口梗阻的病因。

To study the effect of single lung ventilation for esophagectomy in the treatment of esophageal cancer patients.

目的研究单肺通气用于食管癌根治术时对病人的影响。