ASO Visual Abstract: Surgery for Retroperitoneal Soft Tissue Sarcoma is Safe Following Multimodal Treatment with Regional Hyperthermia. - Knoblauch M; Werdel C; Arlt Y; Lindner LH; Di Gioia D; Burkhard-Meier A; Berclaz L; Schmidt-Hegemann NS; Schmidt P; Werner J; Albertsmeier M (Annals of surgical oncology, 2026)