Fig. 1From: Follicular thyroid carcinoma but not adenoma recruits tumor-associated macrophages by releasing CCL15Densities of CD68+ and CD163+ cells in FTCs are significantly higher than those in FAs. Immunohistochemistry analysis of CD68 and CD163 in 158 tissue samples of FTC and FA patients. Normal: adjacent non-neoplastic tissues which exhibit normal pathological phenotypes. Arrows indicate the CD68+ or CD163+ macrophages. Bar = 20 μmBack to article page