Impact of surgery for colorectal cancer liver metastasis: Systematic review and meta-analysis

doi:10.5306/wjco.v17.i5.118670

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World Journal of Clinical Oncology

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2218-4333

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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 Clin Oncol. May 24, 2026; 17(5): 118670
Published online May 24, 2026. doi: 10.5306/wjco.v17.i5.118670

Table 2 Summary characteristics of included studies

Characteristic	Value
Included studies, n	67
Total patients, n	368380
Study design	Retrospective 55 (82%); prospective 12 (18%)
Publication years	1998-2023
Sample size (per study)	Median 448 (IQR 124-2786)
Geographic region (approximately)	Asia 22; non-Asia 44; multi-region 1
Median follow-up	37 months (not reported in 42% of studies)
Systemic therapy reporting	Not available in 17 studies

IQR: Interquartile range.

Full Size Table

Citation: Petrelli F, Cherri S, Ghidini A, Rossitto M, Bukovec R, Roncari L, Dottorini L, Arru M, Libertini M, Zaniboni A. Impact of surgery for colorectal cancer liver metastasis: Systematic review and meta-analysis. World J Clin Oncol 2026; 17(5): 118670
URL: https://www.wjgnet.com/2218-4333/full/v17/i5/118670.htm
DOI: https://dx.doi.org/10.5306/wjco.v17.i5.118670

Petrelli F, Cherri S, Ghidini A, Rossitto M, Bukovec R, Roncari L, Dottorini L, Arru M, Libertini M, Zaniboni A. Impact of surgery for colorectal cancer liver metastasis: Systematic review and meta-analysis. World J Clin Oncol 2026; 17(5): 118670 [DOI: 10.5306/wjco.v17.i5.118670]

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