Hippocampus-sparing volume-modulated arc therapy in patients with World Health Organization grade II glioma: a feasibility study - Xie, Renxian; Huang, Hongxin; Cai, Qingxin; Lu, Jiayang; Chen, Tong; Xie, Keyan; Chen, Jianzhou; Chen, Chuangzhen (Frontiers in Oncology, 2025)