AUTHOR=Zhan Wenyu , Wang Tian , Yang Changqing , Wang Yubao , Wan Nansheng , Feng Jing TITLE=Diagnostic value and safety of contact laser-assisted endobronchial ultrasound-guided tunnel drilling biopsy in mediastinal and hilar lymphadenopathy: a retrospective study JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1520690 DOI=10.3389/fmed.2025.1520690 ISSN=2296-858X