Association of perioperative serum carcinoembryonic antigen level and recurrence in low-risk stage IIA colon cancer

Han Gil Kim, Seung Yoon Yang, Yoon Dae Han, Min Soo Cho, Byung Soh Min, Kang Young Lee, Nam Kyu Kim, Hyuk Hur

Research output: Contribution to journalArticlepeer-review

Abstract

Background The purpose is to investigate prognosis according to serum CEA levels before and after surgery in patients with stage IIA colon cancer who do not show high-risk features. Methods Among the patients diagnosed with colon adenocarcinoma between April 2011 and December 2017, 462 patients were confirmed as low-risk stage IIA after surgery and enrolled. The ROC curve was used to determine cut-off values of pre- and postoperative CEA. Patients were classified into three groups using these new cut-off values. Results All recurrence occurred in 52 of 463 patients (11.2%). However, recurrence in group H was 15.9%, which was slightly higher than the other two groups (P = 0.04). Group L and M showed 10.5% and 12.8% overall survival, group H was higher at 21.0% (P = 0.005). Recurrence was the only risk factor in group H was significantly higher in group L (HR 2.008, 95% CI, 1.123-3.589, P = 0.019). Mortality was similar to recurrence (HR 1.975, 95% CI 1.091- 3.523, P = 0.044). Conclusion Among patients with low-risk stage IIA colon cancer, recurrence and mortality rates were higher when perioperative serum CEA levels were above a certain level. Therefore, high CEA level should be considered a high-risk feature and adjuvant chemotherapy should be performed.

Original languageEnglish
Article numbere0252566
JournalPloS one
Volume16
Issue number6 June
DOIs
Publication statusPublished - 2021 Jun

Bibliographical note

Publisher Copyright:
© 2021 Kim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

All Science Journal Classification (ASJC) codes

  • General

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