GLI1 and soft tissue sarcoma: As a back-bone of chemotherapy, we integrated treatment elements from pediatric rhabdoid and soft-tissue sarcoma protocol (EURHAB; CWS-Register “SoTiSaR”, Soft Tissue Sarcoma Registry) based on the scientific rationale that GLI overexpression has been also detected in pediatric rhabdoid tumors as well as in several sarcoma cell types [22–24].