The tumor uptake of 111In-anti-CSPG4 IgG was clearly visible and reached a plateau of 16–30%ID/g between 24 h and 72 h, the spleen uptake peaked at 67 ± 21%ID/g at 72 h, and liver uptake was relatively constant at 9–11%ID/g between 4 h and 120 h (Figure 3b). Here, CSPG4 is linked to neoplasm.