CD4 and esophageal cancer: The results indicated that ZBP1 expression was most significantly correlated with the infiltration signature of esophageal cancer, in which infiltrations of B cells (correlation coefficient = 0.366, p = 4.72e-07) and CD4+ T cells (correlation coefficient = 0.381, p = 1.41e-07) were with the most remarkable correlations (Figure 8A, Supplementary Figure S5).