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Proposed clinical algorithm for evaluating patients with mediastinal or hilar lymphadenopathy (LAD) when endobronchial ultrasound (EBUS) is performed. (BAL, bronchoalveolar lavage; ca-TBFB, cautery-assisted transbronchial nodal forceps biopsy; CT, computed tomography; TBBx, transbronchial biopsy; TBNA, transbronchial needle aspiration.)
