We evaluated by immunohistochemistry the expression of LDHA and lactate dehydrogenase B (LDHB) in 190 resected PDAC tumor tissues from patients with clinical outcome information (Supplemental Figure 1, A–C; supplemental material available online with this article; https://doi.org/10.1172/jci.insight.163022DS1). Here, LDHA is linked to neoplasm.