KPC3-TRP1 tumor uptake was highest at 24 hours pi (37.7%ID/g±5.3%ID/g) and steadily decreased thereafter (168 hours: 15.1%ID/g±5.8%ID/g, p<0.001), but was significantly higher compared with KPC3 tumor uptake (168 hours: 3.3%ID/g±1.5%ID/g, p<0.05). Here, TYRP1 is linked to neoplasm.