ARG1 and neoplasm: This results in an inhibitory effect on immunosuppressor factors, such as IL10, IL6, GAS6, ARG1, EZH2 or HIF1A; and activation of immunostimulatory molecules, including IFNG and IL2, over a plethora of cell types in the tumour microenvironment (Supplementary Figure 1, Supplementary Table 5, Table 5, Figure 3).