To establish the antibody panel for 64Cu-TuBA, we selected seven antigens (EGFR, HER2, HER3, TfR, EpCAM, LAT1, and CD98), which are reportedly overexpressed in pancreatic cancer patients [8,19,20,21,22,23,24] (Table 1). Here, EPCAM is linked to pancreatic neoplasm.