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Figure 1 | BMC Cancer

Figure 1

From: Expression of the embryonic stem cell marker SOX2 in early-stage breast carcinoma

Figure 1

Immunohistochemical staining of SOX2 shows different expression levels in early-stage breast carcinoma samples. (A) Classification of SOX2 expression in different scores. (B) Staining of normal breast tissue as control. (C) Breast tumor tissue that shows no positive staining for SOX2 are part of Score 0. (D) Tumor samples with > 0% and < 10% are referred to Score 1. (E) Score 2 samples show ≥ 10% and < 50% positive stained cells. (F) Samples demonstrating ≥ 50% positive cells belong to Score 3. Pictures were taken with 200X magnification

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