Immune characteristics of dedifferentiated retroperitoneal liposarcomas and the reliability of regional samples in evaluating their tumor immune microenvironments. - Zhou, Changsheng; Li, Ming; Ren, Yantao; Miao, Fenglin; Wang, Yue; Wu, Ting; Gou, Xin; Li, Wengang (World Journal of Surgical Oncology, 2024)