Figure 3From: Post-mastectomy benign lymphangioendothelioma of the skin following chronic lymphedema for breast carcinoma: a teaching case mimicking low-grade angiosarcoma and masquerading as Stewart-Treves syndromeImmunohistochemical examination of the first biopsy specimen. (A) These modestly atypical endothelial cells were positive for CD31, but strongly positive for LYVE-1. (B) The tumor cells showed a much lower MIB-1 labeling index, less than 1%. Bars =50 μm.Back to article page