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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Otolaryngol Head Neck Surg. 2015 Jun 17;153(2):244–250. doi: 10.1177/0194599815589106

Figure 4.

Figure 4

H&E stain shows a thickened lamina propria (A&C) with F4/80 immunohistochemical staining showing high density macrophages (red) at day 7 (B). Day 14 shows a fibrotic appearance (C) with reduced macrophage presence (D). 20x magnification.