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Gastrointestinal sarcoidosis. Histopathology of the upper-endoscopic gastric antrum biopsies with H&E staining revealing non-caseating epithelioid cell granulomas (arrow heads) without dysplasia or metaplasia at low power (A) and high power (B). GMS (C) and AFB (D) stains negative to rule out fungi and mycobacteria.
