The IL1B C/T rs19644 genotype appears to be a risk factor for the development of ALL (C/C vs. C/T + T/T OR: 2.48 [95% CI: 1.26–4.88, p = 0.006]; C/C vs. C/T OR: 2.74 [95% CI: 1.37–5.51, p = 0.003]. Here, IL1B is linked to acute lymphoblastic leukemia.