英语语法分析

Atrial septal defect was diagnosed by transthoracic echocardiography thereafter.

经心脏超音波诊断出有心房中膈缺损。

Objective To analyse the results and the complications of percutaneous transthoracic biopsy under ct guidance.

目的评价穿刺枪针ct引导下肺穿刺活检结果及并发症发生率。

Objective To evaluate the clinical value of CT-guided percutaneous transthoracic fine needle aspiration biopsy.

目的评价CT引导经皮肺细针抽吸活检术的临床应用价值。