Case Report: Complete response to the concurrent neoadjuvant radiation therapy and pembrolizumab in a locally recurrent, chemotherapy-refractory undifferentiated pleomorphic sarcoma of bone. - Patel BA; Smith JT; Wangsiricharoen S; Wang WL; Lin PP; Farooqi A; Nassif Haddad EF; Ummed K; Mericli AF; Adelman DM; Livingston JA; Conley AP (Frontiers in oncology, 2026)