In ER+ breast cancer, T cells correlated with B cells (P < 0.001; Figure 5J), while proliferating tumor and macrophages correlated with endothelial cells (P < 0.01 and 0.05; Supplemental Figure 16B) but not T cells (P = 0.35; Figure 5J). The gene discussed is ESR1; the disease is breast carcinoma.