Objective To evaluate the clinical value of transbranchial needle aspiration (TBNA) in the pre-operative staging of lung cancer.
目的探讨经支气管针吸活检（TBNA）在肺癌分期中的临床应用价值。
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Conclusion: Small needle knife for the treatment of thoracic outlet syndrome of upper plexus type has such advantages as mini-wound, simple operative procedure, and reliable effect.