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Differential methylation of cell‐free circulating DNA among patients with pancreatic cancer versus chronic pancreatitis

Although patients with chronic pancreatitis (CP) have an increased risk of pancreatic cancer (PanCa), the timely detection of PanCa often is difficult, because the symptoms of CP and PanCa are very similar. Moreover, secondary inflammation may be identified in PanCa, further complicating diagnosis. To improve the survival of patients with PanCa, a reliable test to differentiate CP from PanCa is needed. In this article, the authors describe a methylation profile of cell‐free plasma DNA that distinguished CP from PanCa with >90% accuracy.