We next generated the NSCLC mouse model by intranasal injection of adenovirus expressing Cre-recombinase (Ad-Cre) into KrasLSL−G12D/+Tp53fl/fl (KP) mice and analyzed CCL7 expression in early and late-stage tumors by qRT-PCR and IHC analysis. Here, CCL7 is linked to non-small cell lung carcinoma.