Looking at the subgroup of EpCAM-positive serum exosomes, miR-200b was deregulated in non-metastasized UICC tumor stages II (2−ΔΔCq = 2.38, p = 0.02, r = 0.37) and III (2−ΔΔCq = 3.11, p = 0.013, r = 0.38) and when comparing all PDAC to healthy patients (2−ΔΔCq = 2.48, p = 0.008, r = 0.30). Here, EPCAM is linked to neoplasm.