CD274 and epithelioid sarcoma: The epithelioid sarcoma (ES), inflammatory myofibroblastic tumor (IMT), neuroendocrine tumor (NET), post radiation sarcoma (PRS), solitary fibrous tumor (SFT), and undifferentiated sarcoma (US) had only one patient, and they were all PD-L1 positive (Figures 5C, D).