Is salvage surgery necessary for non-R0 endoscopic resection of small rectal neuroendocrine tumors?

doi:10.4251/wjgo.v18.i6.118531

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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

Retrospective Study

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. Jun 15, 2026; 18(6): 118531
Published online Jun 15, 2026. doi: 10.4251/wjgo.v18.i6.118531

Table 1 The characteristics of these 38 patients with non-R0 endoscopic resection

	Total (n = 38)
Age (year), mean ± SD	45.7 ± 13.6
Lesion size (mm), mean ± SD	7.2 ± 2.6
Gender (%)
Male	57.9 (22/38)
Female	42.1 (16/38)
Location (anus, %)
≤ 5 cm	42.1 (16/38)
6-10 cm	47.4 (18/38)
> 10 cm	10.5 (4/38)
Endoscopic resection method (%)
EMR	47.4 (18/38)
ESD	52.6 (20/38)
Positive margins (%)
Vertical	100.0 (38/38)
Lateral	0 (0/38)
Lymphovascular invasion (%)	0 (0/38)
Histologic grade (%)
G1	84.2 (32/38)
G2	15.8 (6/38)

EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection.

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Citation: Lin SY, Li ZH, Xu GL, Weng J, Bai KH. Is salvage surgery necessary for non-R0 endoscopic resection of small rectal neuroendocrine tumors? World J Gastrointest Oncol 2026; 18(6): 118531
URL: https://www.wjgnet.com/1948-5204/full/v18/i6/118531.htm
DOI: https://dx.doi.org/10.4251/wjgo.v18.i6.118531

Lin SY, Li ZH, Xu GL, Weng J, Bai KH. Is salvage surgery necessary for non-R0 endoscopic resection of small rectal neuroendocrine tumors? World J Gastrointest Oncol 2026; 18(6): 118531 [DOI: 10.4251/wjgo.v18.i6.118531]

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