reported that in mammary tumor‐bearing K14cre;Cdh1F/F;Trp53F/F (KEP) mice, the tumor microenvironment favors a unique population of metastasis‐inducing neutrophils with upregulation of genes including cKit, Nos2, Prok2, S100a8, and S100a9. The gene discussed is KIT; the disease is breast cancer.