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Immunohistochemical analysis of E-cadherin. E-cadherin expression was evaluated at high-power field (×40 magnification) by an experienced pathologist. A. Negative for E-cadherin in Primary Breast cancers tissue. B. Negative for E-cadherin in metastatic lymph nodes. C. Three positive for E-cadherin in Primary Breast cancers tissue. D. Three positive for E-cadherin in metastatic lymph nodes.
