AUTHOR=Hu Run , Gui Renjie , Nie Xi , Duan Huaxin TITLE=Case report: Clinical analysis and literature review of five cases of metastatic solid pseudopapillary tumor of the pancreas JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1386987 DOI=10.3389/fonc.2024.1386987 ISSN=2234-943X