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Fig. 2 | BMC Cancer

Fig. 2

From: The role of FoxP3+ regulatory T cells and IDO+ immune and tumor cells in malignant melanoma – an immunohistochemical study

Fig. 2

Representative immunohistochemical stainings of IDO. Immunohistochemical stainings of IDO in benign (a) and dysplastic nevi (b), in situ melanoma (c), superficial (Breslow’s depth < 1 mm, d) and deep (Breslow’s depth > 4 mm, e) melanomas and lymph node metastasis (f). The dashed line in c marks for the tumor-stroma borderline in in situ melanoma. IDO+ stromal immune cells were found both intratumorally and in the peritumoral stroma. The asterisks in c-f indicates the stromal compartment of the tumor. Scale bar is 50 μm in a for a-c (× 200 magnification) and 100 μm in d for d-f (× 100 magnification)

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