CXCR4 and pulmonary fibrosis: Using the Robust Cell Type Decomposition algorithm to deconvolve spatial transcriptomic data, we identified Cxcr4<sup>+</sup> macrophages and Cxcl12<sup>+</sup> fibroblasts as central drivers of pulmonary fibrosis progression, revealing a distinct spatial co-localisation pattern between these cell populations.