英语语法分析

Crushed cells like these in a bronchoscopic biopsy are always difficult to interpret.

象这种挤压的细胞在气管镜活检中常常是非常难以确诊的。

To explore the pathological and bronchoscopic characteristics of patients with asymptomatic lung cancer.

目的探讨无症状肺癌患者的纤维支气管镜检及病理特征。

Objective: To follow up the causes of right middle lobe atelectasis and the diagnostic value of bronchoscopic findings for this disease.

目的：进一步探讨右肺中叶不张的原因及纤维支气管镜的诊断价值。