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CA125 (A) and CEA (B) concentrations in PD-negative and PD-positive patients grouped according to the 3 primary tumor sites in men. The asterisk indicates a significant difference between the PD-positive and PD-negative groups at a given tumor site. CA125 = carbohydrate antigen 125, CEA = carcinoembryonic antigen, PD = peritoneal dissemination.
