Figure 1From: High survivin expression as a risk factor in patients with anal carcinoma treated with concurrent chemoradiotherapyExamples of anal cancer biopsies with intense (a), intermediate (b) and weak (c) immunohistochemical staining of survivin in both, cytoplasm and nucleus of tumor cells. Original magnification x 100 (a,b,c) and x 400 (inserts), scale bar: 100 μm.Back to article page