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Fig. 5 | Diagnostic Pathology

Fig. 5

From: Expression of immune checkpoint regulators, programmed death-ligand 1 (PD-L1/PD-1), cytotoxic T lymphocyte antigen 4 (CTLA-4), and indolaimine-2, 3-deoxygenase (IDO) in uterine mesenchymal tumors

Fig. 5

Metastatic Leiomyosarcoma. H&E stain of a case of metastatic leiomyosarcoma with pleomorphic cells (case# 57, Additional Table 1). The corresponding PD-L1 IHC stain showed 90% positivity of the tumor cells with an intensity of 3 + . (20 × objective). Abbreviations: H&E, hematoxylin & eosin; PD-L1, programmed death-ligand 1

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