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Expression of tumor-associated macrophages using immunofluorescence staining. (A) TAMs were stained by DAPI (Blue; nuclei) and F4/80 (Red) in benign tumor tissues. (B) TAMs were stained by DAPI (Blue; nuclei) and F4/80 (Red) in EOC tissues. The yellow arrows indicate TAMs. (C) Frequency of TAMs was significantly higher in EOC tissues, compared with benign tumor tissues. Scale bar=50 µm. EOC, epithelial ovarian cancer; TAM, tumor-associated macrophage.
