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Figure 6 | Breast Cancer Research

Figure 6

From: Cell clusters overlying focally disrupted mammary myoepithelial cell layers and adjacent cells within the same duct display different immunohistochemical and genetic features: implications for tumor progression and invasion

Figure 6

Myoepithelial cell layer disruptions and overlying estrogen receptor (ER)-negative cell clusters in normal and hyperplastic appearing ducts. All sections were immunostained immunostained for ER (brown) and smooth muscle actin (red). (a)(c) Normal appearing ducts, 400×; (d)(f) hyperplastic ducts, 400×. Myoepithelial cell layer disruptions and ER-negative cell clusters are identified with arrows.

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