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This photomicrograph of the mucosal surface shows a small area with normal mucosal epithelium (arrow). This area is surrounded by areas of ulceration with an inflammatory infiltrate of lymphocytes and neutrophils.
This photomicrograph of the mucosal surface shows a small area with normal mucosal epithelium (arrow). This area is surrounded by areas of ulceration with an inflammatory infiltrate of lymphocytes and neutrophils.
