Clinical features and surgical challenges of advanced retroperitoneal rhabdomyosarcoma in children: a single-center 17-year experience - Lin, Yu; Xu, Fenghao; Yang, Shen; Yu, Tong; Chang, Saishuo; Li, Tengfei; Zhang, Jianguo; Yang, Wei; Su, Yan; Qin, Hong; Cheng, Haiyan; Wang, Huanmin (Translational Pediatrics, 2026)