As expected, AdSCCs in KrasLSL-G12D/+; Nkx2-1F/F; Foxa1F/F; Foxa2F/F mice always expressed either FoxA1 or FoxA2 in the adenocarcinoma component and stochastic loss of the other paralogue in the squamous component. The gene discussed is FOXA1; the disease is adenocarcinoma.