AUTHOR=Tang Jingyan , Guan Yuchen , Zhang Jianfeng , Guan Chengqi TITLE=Endoscopic ultrasound-guided fine-needle aspiration in diagnosing primary medistinal large B-cell lymphoma: a case report JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1404211 DOI=10.3389/fonc.2025.1404211 ISSN=2234-943X