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A tumor with mature DR (1). Cancer nests are encompassed by fine, mature collagen fibers, which are developing in a multilayer form. No myxoid stroma or keloid-like collagen bundles are seen. (B; ×4 objective) and (C; ×10 objective) are magnifications of the area of the desmoplastic front as indicated by the arrow in (A; whole slide image). Insert in (C), ×20 objective. All, H&E staining.
