Prominent PD-L1-positive M2 macrophage infiltration in gastric cancer with hyper-progression after anti-PD-1 therapy: A case report.
Kyoko YamaguchiKenji TsuchihashiKunihiro TsujiYosuke KitoKenro TanoueHirofumi OhmuraMamoru ItoTaichi IsobeHiroshi AriyamaHitoshi KusabaKoichi AkashiEishi BabaPublished in: Medicine (2021)
The findings suggest the possibility that PD-L1-positive M2 macrophage might contribute to acceleration of tumor growth with anti-PD-1 therapy in the present case.
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