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Classification tree for discrimination of pancreatic adenocarcinoma (PA, N = 75) from chronic pancreatitis, benign neoplasm or other periampullary lesions (CON, N = 74). Healthy control cases were excluded from this analysis. The tree depicts an algorithm derived to minimize misclassification when all three markers were considered. The specific threshold cutoffs used in the algorithm for the individual markers are given in parentheses.
