AUTHOR=Wu Ying , Cao Dan TITLE=Philadelphia chromosome-positive B-cell acute lymphoblastic leukemia with e13a3 fusion transcripts in a patient with pre-existing essential thrombocythemia: a case report and literature review JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1573893 DOI=10.3389/fonc.2025.1573893 ISSN=2234-943X