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Table 2 Frequency of myoepithelial cell layer disruptions and the status of estrogen receptor expression

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

Total cross-sections

Total disruptions

Focal loss of estrogen receptor

Estrogen receptor-positive



405 (7.1%)

350 (86.4%)

55 (13.6%)

< 0.01