Prognostic value of postoperative CEA/CA19-9 positivity and elevation relative to preoperative levels in gastric cancer

doi:10.3748/wjg.121672

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Dec 28, 2026; 32(48): 121672
Published online Dec 28, 2026. doi: 10.3748/wjg.121672

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Figure 5 Exploratory Kaplan-Meier curves of overall survival according to the magnitude of postoperative tumor marker changes. A: Overall survival according to size of change in carcinoembryonic antigen; B: Overall survival according to size of change in carbohydrate antigen 19-9. For carcinoembryonic antigen, mild and greater increases were split at the median positive change of 0.65 ng/mL. For carbohydrate antigen 19-9, mild and greater increases were split at the median positive change of 3.12 U/mL. These change thresholds were data-derived for exploratory analysis and should not be interpreted as validated clinical cutoffs.

Citation: Zhang LX, Chang N, Su YZ, Zhang YH, Zhu XD, Zhu H, Zhou EZ, Sun MZ, Luo PQ, Xu AM, Liu Q, Wei ZJ. Prognostic value of postoperative CEA/CA19-9 positivity and elevation relative to preoperative levels in gastric cancer. World J Gastroenterol 2026; 32(48): 121672
URL: https://www.wjgnet.com/1007-9327/full/v32/i48/121672.htm
DOI: https://dx.doi.org/10.3748/wjg.121672

Zhang LX, Chang N, Su YZ, Zhang YH, Zhu XD, Zhu H, Zhou EZ, Sun MZ, Luo PQ, Xu AM, Liu Q, Wei ZJ. Prognostic value of postoperative CEA/CA19-9 positivity and elevation relative to preoperative levels in gastric cancer. World J Gastroenterol 2026; 32(48): 121672 [DOI: 10.3748/wjg.121672]

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