Objective To explore the diagnostic value of transbronchial lung biopsy (TBLB) plus bronchoalveolar lavage (BAL) in pulmonary cavity lesion.

• 目的评价经纤维支气管镜肺活检(TBLB)联合支气管肺泡灌洗(BAL)术对肺部空洞性病变的诊断价值。