Immunotherapy-based salvage therapy in advanced soft tissue sarcoma after first-line chemotherapy: a retrospective single-center analysis with emphasis on undifferentiated pleomorphic sarcoma
IntroductionSoft tissue sarcomas (STS) are rare mesenchymal malignancies with limited treatment options in advanced stages. Anthracycline-based chemotherapy remains the standard of care but yields modest outcomes with significant toxicity, underscoring…