Screening Colonoscopy Unmasking Colonic Metastasis from an Occult Breast Ductal Carcinoma: A Case Report and Review of the Literature

Figure 2

(a) Hematoxylin and eosin stain × 200x showing fragments of bone and the bone marrow is replaced by malignant spindle and epitheloid cells. Immunohistochemical stains, 400x: (b) CK7 3, (c) GATA3, and (d) ER all positive.

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