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(A) Tumor was composed of clusters and sheets of atypical cohesive epithelial cells. No pigments are seen within the carcinoma cells (H&E, original magnification 4X); (B & C) Abundant pigments between tumor cells are easily appreciated (B & C: H&E, original magnifications 40X, 40X, respectively); (D) DCIS is present in the vicinity of the main invasive carcinoma (H&E, original magnification 4X).
