LGALS3 and idiopathic pulmonary fibrosis: In contrast, Gal‐3, a marker of activated macrophages (Bouffette et al., 2023), was significantly reduced in the repetitive BLEO‐IPF mouse at 8 weeks compared to baseline, yet remained significantly elevated relative to healthy control mice, suggesting a gradual resolution of macrophage infiltration as previously reported in comparable BLEO models (Degryse et al., 2010; Redente et al., 2021).