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9/23/2026 8:57:26 AM | Browse: 3 | Download: 8
Publication Name World Journal of Clinical Oncology
Manuscript ID 125491
Country Spain
Received
2026-07-08 08:44
Peer-Review Started
2026-07-08 08:45
First Decision by Editorial Office Director
Return for Revision
2026-07-18 07:32
Revised
2026-07-31 19:36
Publication Fee Transferred
Second Decision by Editor
2026-09-11 02:52
Second Decision by Editor-in-Chief
Final Decision by Editorial Office Director
2026-09-11 09:27
Articles in Press
2026-09-11 09:27
Edit the Manuscript by Language Editor
Typeset the Manuscript
2026-09-16 00:28
Publish the Manuscript Online
2026-09-23 08:57
ISSN 2218-4333 (online)
Open Access Open-Access: 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.
Copyright ©Author(s) (or their employer(s)) 2026. No commercial re-use. See Permissions. Published by Baishideng Publishing Group Inc.
Article Reprints For details, please visit: http://www.wjgnet.com/bpg/gerinfo/247
Permissions For details, please visit: http://www.wjgnet.com/bpg/gerinfo/207
Publisher Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA
Website http://www.wjgnet.com
Category Surgery
Manuscript Type Retrospective Study
Article Title Rethinking treatment for non-metastatic deficient mismatch repair colorectal and small bowel cancers
Manuscript Source Invited Manuscript
All Author List Alba Manuel-Vazquez, Miguel Soria Tristán, David Ricardo Luján, Sara Gortázar de las Casas, Ainhoa Valle Rubio, José Luis Ramos Rodríguez and Javier García-Septiem
ORCID
Author(s) ORCID Number
Alba Manuel-Vazquez http://orcid.org/0000-0002-3267-0274
Sara Gortázar de las Casas http://orcid.org/0000-0003-0395-9367
Funding Agency and Grant Number
Corresponding Author Alba Manuel-Vazquez, MD, PhD, Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, Calle tajo s/n, Villaviciosa de Odon 28670, Madrid, Spain. alba_manuel_vazquez@hotmail.com
Key Words Colorectal cancer; Mismatch repair deficiency; Immune checkpoint inhibitors; Rectal cancer; Small bowel neoplasm; Pembrolizumab; Dostarlimab; Nivolumab; Lynch syndrome
Core Tip This real-world retrospective study describes eight patients with non-metastatic mismatch repair (MMR)-deficient colorectal and small bowel adenocarcinoma treated with immunotherapy in different clinical settings. Favorable responses were observed across all tumor subsites. Complete clinical responses enabled a watch-and-wait strategy in some patients with locally advanced rectal cancer. In colon cancer immunotherapy facilitated minimally invasive surgery with pathological complete responses in all operated patients. Delayed MMR testing postponed treatment initiation in some cases, highlighting the need for systematic upfront immunohistochemical assessment at diagnosis. These findings support the feasibility of implementing immunotherapy-based strategies in routine surgical oncology practice beyond clinical trial settings.
Publish Date 2026-09-23 08:57
Citation

Manuel-Vazquez A, Soria Tristán M, Luján DR, Gortázar de las Casas S, Valle Rubio A, Ramos Rodríguez JL, García-Septiem J. Rethinking treatment for non-metastatic deficient mismatch repair colorectal and small bowel cancers. World J Clin Oncol 2026; 17(9): 125491

URL https://www.wjgnet.com/2218-4333/full/v17/i9/125491.htm
DOI https://doi.org/10.5306/wjco.125491
Full Article (PDF) WJCO-17-125491-with-cover.pdf
Manuscript File 125491_Auto_Edited_014349.docx
Answering Reviewers 125491-answering-reviewers.pdf
Audio Core Tip 125491-audio.aac
Biostatistics Review Certificate 125491-biostatistics-statement.pdf
Conflict-of-Interest Disclosure Form 125491-conflict-of-interest-statement.pdf
Copyright License Agreement 125491-copyright-assignment.pdf
Signed Informed Consent Form(s) or Document(s) 125491-informed-consent-statement.pdf
Institutional Review Board Approval Form or Document 125491-institutional-review-board-statement.pdf
Non-Native Speakers of English Editing Certificate 125491-non-native-speakers.pdf
Peer-review Report 125491-peer-reviews.pdf
Scientific Misconduct Check 125491-scientific-misconduct-check.png
CrossCheck Report 125491-crosscheck-report.pdf