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Histopathology of LC. A, Punch biopsy shows a monomorphous infiltrate that fills the papillary dermis beneath a Grenz zone. B, Higher magnification shows intermediate size mononuclear cells with abundant cytoplasm and oval nuclei that are intercalating between the collagen bundles; a Grenz zone is again noted. (A and B, Hematoxylin-eosin stain; original magnifications: A, ×40; B, ×400.)
