Key Clinical Message Serum carbohydrate antigen 19‐9 (CA19‐9) is used for recurrence surveillance in patients with resected pancreatic ductal adenocarcinoma (PDAC). This report describes the association of increasing CA19‐9 in a male PDAC survivor with presence of prostatic hyperplasia. Unexplained elevation of CA19‐9 in male PDAC survivors might be attributable to benign prostatic conditions.
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Pendry et al. (2024) studied this question.
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