Intraoperative radiotherapy might not serve as a standard therapy for retroperitoneal liposarcoma: insights from a population-based propensity score-matched study - Zhou, Xiao; Zhuang, Aobo; Li, Xi; Xi, Zhe; Cheng, Yingxue; Yan, Guangting; Wang, Yue; Zhang, Gen; Huang, Yangyang; Zhang, Chenhe; Xie, Fuan (Frontiers in Oncology, 2024)