Microscopy from Scientific Research

FABP4 + and SPP1 + macrophages in minimally remodeled alveoli, including FABP4 + macrophages accumulated within an alveolus (denoted by a square bracket). Instances of individual FABP4 + macrophages that have migrated into alveolar lumens and small FABP4 + accumulations (black arrows) and SPP1 + macrophages in the interstitium (white arrows) are marked noncomprehensively. Sample TILD130LA (IPF)

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