Among the genes correlated with ARHGAP9 expression, 3,121 co-expression genes were significant correlations with ARHGAP9 in AML (False discovery rate, FDR ≤ 0.05, p ≤ 0.05, and |cor.|≥ 0.3; Additional file 1: Table S4). The gene discussed is ARHGAP9; the disease is acute myeloid leukemia.