The proportion of Arg1-positive macrophages (%Arg1+ and F4-80+/ F4-80+) and Arg1-positive tumor cells (%Arg1 and CK8+/CK8+) were similar between tumors from WT and Ddr2−/− mice (Supplementary Fig. S4B–G). The gene discussed is DDR2; the disease is neoplasm.