Our groups previously established NZ-1 series (NZ-1, NZ-1.2, NZ-1.3, or NC-08) among anti-PDPN mAbs [16,65,66,67,68,69,70,71,72,73,74], which have also been employed for tumor diagnosis by means of immunohistochemistry (Table 1). Here, PDPN is linked to neoplasm.