Despite higher expression of Cxcl2 (Figure 1E), we saw no increase in tumour neutrophil recruitment (determined by percentage of Myeloperoxidase‐positive cells) when DKK1 was overexpressed in Nicd/Akt or KrasG12D/gTrp53 tumours (Figure S2). The gene discussed is DKK1; the disease is neoplasm.