AUTHOR=Czarny Jakub , Galli Dominika , Wziątek Agnieszka , Pastorczak Agata , Szmyd Bartosz , Przybyszewski Borys , Raciborska Anna , Jończyk-Potoczna Katarzyna , Derwich Katarzyna TITLE=Hodgkin lymphoma and Ewing sarcoma in pediatric patient carrying germline PALB2 variant: a case report and literature review JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1514697 DOI=10.3389/fonc.2025.1514697 ISSN=2234-943X