---
title: "Effect of preoperative waiting time on outcomes after endoscopic resection for early gastric cancer"
id: "pubmed-42740651"
canonical_url: "https://medichelpline.com/clinical-feed/pubmed-42740651"
content_type: "clinical_feed_article"
specialty: "Gastroenterology"
source_name: "PubMed / NCBI"
source_url: "https://pubmed.ncbi.nlm.nih.gov/42740651/"
doi: "10.1080/07853890.2026.2724695"
published_at: "2026-09-15T12:00:00.000Z"
evidence_level: "Journal Article"
license: "CC-BY-NC-4.0 / Informational Use"
---
# Effect of preoperative waiting time on outcomes after endoscopic resection for early gastric cancer
## Provenance & Clinical Metadata
- **Canonical URL:** https://medichelpline.com/clinical-feed/pubmed-42740651
- **Specialty:** [Gastroenterology](https://medichelpline.com/clinical-feed/gastroenterology.md)
- **Primary Source:** PubMed / NCBI
- **Source URL:** [Original Journal Publication](https://pubmed.ncbi.nlm.nih.gov/42740651/)
- **DOI:** [10.1080/07853890.2026.2724695](https://doi.org/10.1080%2F07853890.2026.2724695)
- **Published At:** 2026-09-15T12:00:00.000Z
- **Evidence Rating:** Journal Article
## Executive GIST (TL;DR)
- This retrospective cohort studied 1,646 consecutive patients with **early gastric cancer (EGC)** who underwent curative **endoscopic resection (ER)** between 2010 and 2023. - The analysis evaluated whether preoperative waiting time up to 180 days affected primary endpoints **overall survival (OS)** and **disease-free survival (DFS)**, and secondary endpoints including positive resection margins, pathological upstaging, curative resection rate, and need for additional gastrectomy. - Median time from diagnosis to ER was 15 days (IQR 11–23); only 2.3% of patients waited more than 90 days. Time was analyzed both categorically ( 0.05). - Sensitivity analysis excluding high‑risk deep submucosal (SM2) lesions produced similar neutral findings for survival outcomes. - Authors conclude that preoperative waiting up to 180 days was not associated with worse clinical or pathological outcomes in this cohort, but they note the small number of long-wait patients and recommend large prospective multicenter trials for definitive validation. - Plain-language summary in the source reiterates no correlation between delayed ER and worse survival or pathological endpoints in this cohort. - Keywords and MeSH terms reported include treatment delay, time-to-treatment, neoplasm staging, gastrectomy, and Kaplan–Meier estimates, reflecting study scope and analytic methods.
## Clinical Analysis & Structured Key Points
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Epub 2026 Sep 15. # Impact of time from diagnosis to endoscopic resection on clinical outcomes in early gastric cancer [Meiqian Wang](https://pubmed.ncbi.nlm.nih.gov/?term=Wang+M&cauthor_id=42740651)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#full-view-affiliation-1 "Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China."), [Feifei Zhou](https://pubmed.ncbi.nlm.nih.gov/?term=Zhou+F&cauthor_id=42740651)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#full-view-affiliation-1 "Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China."), [Yiru Chen](https://pubmed.ncbi.nlm.nih.gov/?term=Chen+Y&cauthor_id=42740651)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#full-view-affiliation-2 "Department of Gastroenterology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China."), [Hongwei Xu](https://pubmed.ncbi.nlm.nih.gov/?term=Xu+H&cauthor_id=42740651)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#full-view-affiliation-1 "Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China.") Affiliations Expand ### Affiliations * 1 Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China. * 2 Department of Gastroenterology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China. * PMID: **42740651** * DOI: [ 10.1080/07853890.2026.2724695 ](https://doi.org/10.1080/07853890.2026.2724695) Item in Clipboard # Impact of time from diagnosis to endoscopic resection on clinical outcomes in early gastric cancer Meiqian Wang et al. Ann Med. 2026 Dec. Show details Display options Display options Format Abstract PubMed PMID Ann Med Actions * [ Search in PubMed ](https://pubmed.ncbi.nlm.nih.gov/?term=%22Ann+Med%22%5Bjour%5D&sort=date&sort_order=desc) * [ Search in NLM Catalog ](https://www.ncbi.nlm.nih.gov/nlmcatalog?term=%22Ann+Med%22%5BTitle+Abbreviation%5D) * [ Add to Search ](https://pubmed.ncbi.nlm.nih.gov/42740651/) . 2026 Dec;58(1):2724695. doi: 10.1080/07853890.2026.2724695. Epub 2026 Sep 15. ### Authors [Meiqian Wang](https://pubmed.ncbi.nlm.nih.gov/?term=Wang+M&cauthor_id=42740651)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#short-view-affiliation-1 "Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China."), [Feifei Zhou](https://pubmed.ncbi.nlm.nih.gov/?term=Zhou+F&cauthor_id=42740651)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#short-view-affiliation-1 "Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China."), [Yiru Chen](https://pubmed.ncbi.nlm.nih.gov/?term=Chen+Y&cauthor_id=42740651)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#short-view-affiliation-2 "Department of Gastroenterology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China."), [Hongwei Xu](https://pubmed.ncbi.nlm.nih.gov/?term=Xu+H&cauthor_id=42740651)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42740651/#short-view-affiliation-1 "Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China.") ### Affiliations * 1 Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, Shandong, People's Republic of China. * 2 Department of Gastroenterology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China. * PMID: **42740651** * DOI: [ 10.1080/07853890.2026.2724695 ](https://doi.org/10.1080/07853890.2026.2724695) Item in Clipboard Cite Display options Display options Format Abstract PubMed PMID ## Abstract **Background:** Whether a preoperative waiting period before endoscopic resection (ER) adversely affects early gastric cancer (EGC) outcomes remains unclear. This retrospective cohort evaluated whether delays up to 180 days impair oncological and pathological outcomes. **Methods:** We enrolled 1646 consecutive EGC patients who underwent curative ER between 2010 and 2023. Primary endpoints were overall survival (OS) and disease-free survival (DFS); secondary endpoints included positive resection margins, pathological upstaging, curative resection rate, and additional gastrectomy requirement. Analyses comprised Kaplan-Meier curves, multivariable Cox/logistic regression with time modeled categorically ( 90 days. Linear and RCS analyses showed no independent adverse associations between delays within 180 days and any primary or secondary endpoint (all p > 0.05). Baseline characteristics were well balanced apart from marginal discrepancies in age and family history, which were adjusted in multivariate models. Sensitivity analysis excluding SM2 lesions reproduced consistent neutral survival findings. **Conclusion:** Preoperative waiting up to 180 days was not linked to worse EGC outcomes in this cohort. These exploratory results support reasonable 6-month deferral for preoperative assessment, but marked sample‑size imbalance among long-wait patients prevents definitive validation, requiring large prospective multicenter trials. **Keywords:** Clinical outcomes; early gastric cancer; endoscopic resection; treatment delay. ## Plain language summary Delayed ER showed no correlation with inferior survival or adverse pathological endpoints in this EGC cohort. [PubMed Disclaimer](https://pubmed.ncbi.nlm.nih.gov/disclaimer/) ## Similar articles * [ Optimal timing of endoscopic submucosal dissection for gastric epithelial neoplasms: impact of preoperative waiting time on clinical outcomes. ](https://pubmed.ncbi.nlm.nih.gov/42301471/) Hoki S, Yoshizaki T, Ashizaki R, Higasa Y, Tanabe H, Nishikawa E, Ishida R, Hori H, Nakai T, Ueda C, Shimamoto Y, Urakami S, Abe H, Takao M, Takao T, Morita Y, Toyonaga T, Kodama Y.Hoki S, et al.Surg Endosc. 2026 Jul;40(7):5889-5898. doi: 10.1007/s00464-026-12854-x. 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