For example, the mean normalised values of CD3 (MGMTuc = 8.04 [1.02] and MGMTmc = 8.90 [0.61]) and CD4 (MGMTuc = 9.58 [1.01] and MGMTmc = 11.22 [0.65]) may indicate very low levels of T-cells and T-helper cells, respectively, within the tumours (see Table 2). Here, CD4 is linked to neoplasm.