Interleukin-6 as a Predictive Marker for Lymph Node and Distant Metastasis in Colorectal Cancer: A Retrospective Cohort Study
Jianjun Xiao, Muyou Tian, Guoyu Chen, Huifen Li Department of Medical Oncology, Zhongshan City People’s Hospital, Zhongshan, Guangdong, People’s Republic of ChinaCorrespondence: Huifen Li, Department of Medical Oncology, Zhongshan City People’s Hospital, No. 2 Sunwen East Road, Zhongshan, Guangdong,...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Dove Medical Press
2025-08-01
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| Series: | Cancer Management and Research |
| Subjects: | |
| Online Access: | https://www.dovepress.com/interleukin-6-as-a-predictive-marker-for-lymph-node-and-distant-metast-peer-reviewed-fulltext-article-CMAR |
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| Summary: | Jianjun Xiao, Muyou Tian, Guoyu Chen, Huifen Li Department of Medical Oncology, Zhongshan City People’s Hospital, Zhongshan, Guangdong, People’s Republic of ChinaCorrespondence: Huifen Li, Department of Medical Oncology, Zhongshan City People’s Hospital, No. 2 Sunwen East Road, Zhongshan, Guangdong, 528404, People’s Republic of China, Tel +86 13450956484, Fax +86 760-88823566, Email LHF20250110@outlook.comBackground: Metastasis is the leading cause of death in colorectal cancer (CRC). While interleukin-6 (IL-6), a key inflammatory cytokine, is implicated in tumor metastasis, its specific association with lymph node metastasis (LNM) and distant metastasis (DM) in CRC remains unclear.Methods: We retrospectively analyzed clinical data and serum levels of carcinoembryonic antigen (CEA) and cytokines (including IL-6) in 427 CRC patients, stratified by metastatic status. Statistical analyses assessed the predictive value of IL-6 for metastasis.Results: Elevated serum IL-6 levels were significantly associated with both LNM and DM (P< 0.05). IL-6 positively correlated with CEA levels (Spearman correlation). Although IL-6 alone showed modest predictive power for LNM (AUC=0.555), it outperformed CEA (AUC=0.525). Combining IL-6 and CEA improved diagnostic accuracy for LNM (AUC=0.583). Notably, IL-6 demonstrated greater sensitivity than CEA in predicting DM (77.30% vs 67.40% at optimal cutoff).Conclusion: These findings demonstrate that IL-6 holds significant predictive value for metastasis in CRC, particularly excelling in the prediction of LNM. The detection of IL-6 offers a valuable complementary approach to the existing clinical prediction paradigm for CRC metastasis risk.Keywords: IL-6, colorectal cancer, lymph node metastasis, distant metastasis |
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| ISSN: | 1179-1322 |