Of all the infiltrating immune cells, neutrophils had the highest correlation in 10 tumor types including BLCA, COAD, HNSC, PAAD, SKCM, STAD, LUAD, OV, KIRC, and UCEC, indicating that the higher the BACE1-AS level, the lower the neutrophil content. The gene discussed is BACE1; the disease is neoplasm.