To look more deeply at α-2,6-sialylation in human pancreatic cancer, we stained an orthogonal cohort of human PDAC tumors and normal pancreata for the ST6GAL1 protein and α-2,6-sialylation (SNA, Fig. 5 and supplemental Fig. S9). This evidence concerns the gene ST6GAL1 and pancreatic neoplasm.