CD4 and non-Hodgkin lymphoma: On average and consistent with other NHL studies [41], T effector memory (Tem) represented the main subset both in CD4 and CD8 T cells (mean: 48.57 and 49.56, respectively), T naïve (Tn) were also equally represented between CD4 and CD8 (mean: 19.84 and 21.84, respectively).