Figure 1.

Immunohistochemical staining for SBEM. A: 0+: ≤5% of tumor cells staining with/without weakly stained was negative (original magnification × 200); B: 1+: >5% of tumor cells and with weak/focal positive staining or ≤5% of tumor cells with strongly stained (original magnification × 100); C: 2+: >5% of tumor cells and with moderate/focal positive staining (original magnification × 200); D: 3+: >5% of tumor cells and with strong/diffuse positive staining (original magnification × 200).

Liu et al. Diagnostic Pathology 2013 8:71   doi:10.1186/1746-1596-8-71
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