CD4 and neoplasm: The percentage of CD4+ and CD8+ cell percentages in brain tumor sections from control and treated mice at day 30 post‐tumor implantation; 12 days after the last treatment was also assessed, Both CD4+ (p‐value: 0.00026) and CD8+ (p‐value: 0.000078) cell percentages were found significantly higher in the treated group compared to the saline group (Figure 8D,E).