Metastatic Colonic Adenocarcinoma in Breast: Report of Two Cases and Review of the Literature

Figure 4

Tissue core biopsy from suspicious areas shows benign appearing breast terminal ductal-lobular units (TDLU) (blue arrows), interspersed by neoplastic colonic glands (black arrows) without any in situ carcinoma component (Hematoxylin and Eosin stain, 40x magnification).