AUTHOR=Qiao Yun , Wang Mei , Hui Kaiyuan , Jiang Xiaodong TITLE=Diagnosis progress of carcinoma of unknown primary JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1510443 DOI=10.3389/fonc.2024.1510443 ISSN=2234-943X