英语语法分析

Objective To determine the value of video mediastinoscopy in clinical application.

目的探讨电视纵隔镜手术在临床应用中的价值。

The accuracy rate of mediastinoscopy was 93.33% for diagnosing mediastinal tumor and enlarged lymph nodes.

纵隔镜检查术对纵隔不明性质肿物或肿大淋巴结的诊断率为93.33%。

Mediastinoscopy, however, seems to have a limited role in patient selection for extrapleural pneumonectomy.

而纵隔镜检查对于选择胸膜外全肺切除术的病人仅仅有着有限的作用。