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Procedure flow chart for control and intervention group (without and with nCLE). Fluorescein administration is only done once before the first puncture. EBUS, radial endobronchial ultrasound; EMN, electromagnetic navigation; nCLE, neelde-based confocal laser endomicroscopy; PET, positron emission tomography; ROSE, rapid on-site evaluation; TBNA, transbronchial needle aspiration; VB, virtual bronchoscopy.
