AUTHOR=Xiaochuan Gong , Wei Zhao , Chaoyong Yuan , Yu Zhou , Huayong Jian , Na Yin , Xike Luo , Jian Lei , Yan Wang TITLE=Undifferentiated pleomorphic sarcoma of the adrenal gland: a case report and literature review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1439357 DOI=10.3389/fonc.2024.1439357 ISSN=2234-943X