AUTHOR=Jiang Bohao , Hu Jiyuan , Wang Benqiao , Liu Xujia , Tong Ling , Xu Yitong , Zhang Hao TITLE=Two rare cases of primary clear cell adenocarcinoma of the urethra: clinical experience, case report and literature review JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1539312 DOI=10.3389/fonc.2025.1539312 ISSN=2234-943X