However, the combination of cisplatin plus radiotherapy with NHS-IL2 resulted in marked tumor reduction and delayed outgrowth that was statistically superior to all other groups (P < 0.001 by Bonferroni’s post-test following 2-way repeated-measures analysis of variance [ANOVA] on study day 14 [last day on which all study groups were complete]) (Figure 1B). Here, IL2 is linked to neoplasm.