英语语法分析

Mediastinal lymph nodes were usually hyperemic and enlarged .

纵隔淋巴结通常充血和增长。

Conclusion CT had high value in the diagnosis of mediastinal tumor.

结论CT对于纵隔肿瘤的诊断有较高价值。

Direct and traversing lung were performed constantly in biopsy of mediastinal lesions.

纵隔病变穿刺活检多采用直接和经肺途径。