Carbohydrate antigen 19‐9 is a prognostic and predictive biomarker in patients with advanced pancreatic cancer who receive gemcitabine‐containing chemotherapy

Carbohydrate antigen 19‐9 (CA19‐9) is a widely used biomarker in pancreatic cancer. There is no consensus on the interpretation of the change in CA19‐9 serum levels and its role in the clinical management of patients with pancreatic cancer.

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