Tumor uptake of 111In-TSP-A01 was markedly higher than that of 111In-TSP-A02 in both tumors, and estimated absorbed doses for 90Y-TSP-A01 by BxPC-3 and MIAPaCa-2 tumors were 3.2 and 2.3 times greater than those for 90Y-TSP-A02, respectively. The gene discussed is THBS1; the disease is neoplasm.