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Adjusted survival curve of resectable pancreatic ductal adenocarcinoma patients by CA19-9 and CEA levels.
Notes: The adjusted Kaplan–Meier survival curve showed that patients benefit little from the surgery with increasing level of CA19-9 (A) and CEA (B). Age, gender, and tumor stage were all adjusted in the survival curve.
Abbreviations: CA19-9, carbohydrate antigen 19-9; CEA, carcinoembryonic antigen.
