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Kaplan-Meier curves for overall survival stratified by quantitative delta measured on dual-energy CT 70-keV pancreatic parenchymal phase (PPP) and conventional portal venous phase (PVP) images in patients with (a) lower stage and (b) higher stage pancreatic ductal adenocarcinoma (PDAC). (c) Kaplan-Meier curve of distant metastasis–free survival stratified by delta measured on 70-keV PPP and PVP.
