ACTA1 and non-small cell lung carcinoma: In addition to the universal α‐SMA+ or FAP+ myCAFs (Fig. 3, top‐middle panels) and iCAFs subtypes, an mIHC study revealed an enrichment of a subpopulation of MYH11+/α‐SMA+ CAFs in early‐stage NSCLC tumors, whose origin remains unknown.