However, CASP8 expression was not associated with tumor purity (r = −0.037, p = 6.19 e‐01), CD4+ T cells (r = 0.017, p = 8.17 e‐01), and neutrophils (r = −0.064, p = 3.97 e‐01) (Figure 4A). Here, CD4 is linked to neoplasm.