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