英语语法分析

Methods to review and research 6 cases of intrathoracic anastomotic leakage.

方法：对6例胸内吻合口瘘进行回顾性分析。

Objective: To study the methods in the diagnosis of intrathoracic sarcoidosis.

目的：对胸内结节病的诊断方法作一探讨。

To assess the advantage, disadvantage and feasibility of small thoracotomy incision for intrathoracic operations.

探讨微创小切口手术在普胸外科应用中的适应证、禁忌证和优缺点。