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Fig. 1 | Diagnostic Pathology

Fig. 1

From: Clinicopathological features of tumor mutation burden, Epstein-Barr virus infection, microsatellite instability and PD-L1 status in Chinese patients with gastric cancer

Fig. 1

Strong PD-L1 staining in patients with d-MMR GC. a Poorly differentiated GC; H&E staining, × 200 magnification. b The area of positive PD-L1 staining in tumor cells was > 90% (moderate- to strong-positive); × 200 magnification. c MLH1 expression-negative IHC staining, × 200 magnification; stromal cells with positive staining were used as the internal control; d PMS2 expression-negative IHC staining, × 200 magnification; stromal cells were used as internal positive control. PD-L1, programmed death-ligand 1; d-MMR, mismatch repair-deficient; GC, gastric cancer; H&E, hematoxylin and eosin; IHC, immunohistochemical

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Diagnostic Pathology

ISSN: 1746-1596

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