CYP1B1(Figure 4i) was significantly associated with tumor purity (r= −0.197, P = 9.53e−04), B cells (r = 0.164, P= 3.81e−03), CD4 + T cells (r = 0.121, P = 4.43e−02), and dendritic cells (r= 0.119, P = 4.88e−02). This evidence concerns the gene CD4 and neoplasm.