AUTHOR=Liu Shuo , Liu Hongyun , Weng Bowen , Hou Sichuan TITLE=Case report: Tongue metastasis as an initial sign of clear cell renal cell carcinoma and its prognosis JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1473211 DOI=10.3389/fonc.2024.1473211 ISSN=2234-943X