Association of carcinoembryonic antigen/carbohydrate antigen 19-9 with gastric cancer recurrence and chemotherapy toxicities

doi:10.4251/wjgo.v18.i4.117498

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World Journal of Gastrointestinal Oncology

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1948-5204

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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 Gastrointest Oncol. Apr 15, 2026; 18(4): 117498
Published online Apr 15, 2026. doi: 10.4251/wjgo.v18.i4.117498

Table 5 Carcinoembryonic antigen and carbohydrate antigen 19-9 levels across gastrointestinal adverse reaction grades, mean ± SD

Gastrointestinal reaction adverse grades	n	Mean CEA (ng/mL)	Mean CA19-9 (U/mL)
Mild	39	39.87 ± 5.96	38.44 ± 17.27
Moderate	29	54.41 ± 5.27^a^,¹	68.14 ± 26.95^a^,¹
Severe	6	70.34 ± 10.74^a^,¹^,²	114.44 ± 42.08^a^,¹^,²
F value		8.931	32.216
P value		< 0.001	< 0.001

^aP < 0.05.

¹P vs mild group.

²P vs moderate group.

CEA: Carcinoembryonic antigen; CA19-9: Carbohydrate antigen 19-9.

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Citation: Qi Y, Wu CX. Association of carcinoembryonic antigen/carbohydrate antigen 19-9 with gastric cancer recurrence and chemotherapy toxicities. World J Gastrointest Oncol 2026; 18(4): 117498
URL: https://www.wjgnet.com/1948-5204/full/v18/i4/117498.htm
DOI: https://dx.doi.org/10.4251/wjgo.v18.i4.117498

Qi Y, Wu CX. Association of carcinoembryonic antigen/carbohydrate antigen 19-9 with gastric cancer recurrence and chemotherapy toxicities. World J Gastrointest Oncol 2026; 18(4): 117498 [DOI: 10.4251/wjgo.v18.i4.117498]

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