Core-to-core correlations for G-cross (Gtumour:T cell) function values at 20 μm radius were 0.69 for CD3+ cells in the tumour centre 0.70 for CD3+ cells in the invasive margin, 0.69 for CD8+ cells in the tumour centre and 0.70 for CD8+ cells for the invasive margin (Fig. S3), being slightly higher than the respective core-to-core correlations for T cell densities (Fig. S4). The gene discussed is CD8A; the disease is neoplasm.