A second group of mice showed that large SUDHL1 tumors were correlated with lower average 89Zr-CD25 IgG uptake per tumor weight (Spearman’s r = -0.867, P = 0.0005; Figure 3B), but again, blood 89Zr-CD25 IgG activity was not significantly influenced (Spearman’s r = -0.357, P = 0.2560; Figure 3B). The gene discussed is IL2RA; the disease is neoplasm.