目的探讨经支气管针吸活检（TBNA）在肺癌分期中的临床应用价值。
Objective To evaluate the clinical value of transbranchial needle aspiration (TBNA) in the pre-operative staging of lung cancer.
目的探讨经支气管镜针吸活检（TBNA）在纵隔疾病诊断中的价值。
To investigate the significance of transbronchial needle aspiration (TBNA) in diagnosing paratracheal mediastinal lesions.
目的探讨经支气管镜针吸活检（TBNA）在纵隔疾病诊断中的价值。
To investigate the significance of transbronchial needle aspiration (TBNA) in diagnosing paratracheal mediastinal lesions.
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