We found antigen presentation and IFNɣ‐response genes upregulated in PI3K/mTORi‐exposed tumours and most prominently in PI3K/mTORi+PD‐1i‐treated tumours, compared to pretreatment, vehicle‐ or PD‐1i‐treated tumours (Figure 6A). The gene discussed is PIK3CA; the disease is neoplasm.