Fig. 3From: Dedifferentiated liposarcoma primary to the chest wall with spontaneous shrinking: report of a caseMicroscopic and immunohistochemical findings. a HE-staining showing dedifferentiated liposarcoma with necrotic foci. b, c Tumor cells around necrotic tissue showing high MDM2 and CDK4-expression in the resected margin. d, e CD8 + and CD4 + T cell infiltration was detected by immunostaining. f 90% of tumor cells were positive for PD-L1 by immunostainingBack to article page