{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T10:10:47Z","timestamp":1790244647804,"version":"4.1.0"},"reference-count":17,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Clin. Med.","JCM"],"abstract":"<jats:p>Background\/Objectives: Although same-day discharge after gastric endoscopic resection has been explored, contemporary data on outpatient treatment using predominantly endoscopic mucosal resection (EMR)-based techniques remain limited. This study aimed to describe the technical and short-term clinical outcomes of outpatient endoscopic resection for selected superficial gastric neoplasms. Methods: We retrospectively reviewed 259 superficial gastric neoplasms from 254 consecutive patients who underwent outpatient endoscopic resection. The primary outcomes were short-term adverse events and unplanned healthcare utilization, whereas en bloc and R0 resection were evaluated as secondary technical outcomes. Results: The mean age was 69.1 \u00b1 10.1 years. The cohort predominantly comprised low-grade dysplasia (81.1%) and small lesions (mean endoscopic size, 9.7 \u00b1 3.9 mm). EMR-based techniques accounted for 94.2% of resections, whereas endoscopic submucosal dissection (ESD) accounted for 5.8%. Three patients (1.2%) experienced short-term adverse events: one developed postprocedural bleeding (0.4%), and two experienced severe abdominal pain (0.8%). All three patients visited the emergency department, and the two patients with abdominal pain required unplanned hospital admission; no perforation occurred. All patients completed the scheduled outpatient follow-up visit. En bloc and R0 resection rates were 96.1% and 95.0%, respectively. Conclusions: In this selected EMR-predominant cohort, short-term adverse events and unplanned hospital admissions were uncommon, and en bloc and R0 resection rates were high. Prospective comparative studies are warranted.<\/jats:p>","DOI":"10.3390\/jcm15197411","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T09:07:54Z","timestamp":1790240874000},"page":"7411","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Short-Term Outcomes of Outpatient Endoscopic Resection for Selected Superficial Gastric Neoplasms: A Predominantly EMR-Based Real-World Cohort Study"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3965-3378","authenticated-orcid":false,"given":"Seung-Jun","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Gastroenterology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam 13496, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"methodology","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"data-curation","vocabulary":"credit"},{"role":"writing-original-draft","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8347-8979","authenticated-orcid":false,"given":"Chul-Hyun","family":"Lim","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology, Department of Internal Medicine, Eunpyeong St. Mary\u2019s Hospital, College of Medicine, The Catholic University of Korea, 1021 Tongil-Ro, Eunpyeong-Gu, Seoul 03312, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"conceptualization","vocabulary":"credit"},{"role":"methodology","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"},{"role":"supervision","vocabulary":"credit"},{"role":"project-administration","vocabulary":"credit"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1111\/den.13883","article-title":"Guidelines for endoscopic submucosal dissection and endoscopic mucosal resection for early gastric cancer (second edition)","volume":"33","author":"Ono","year":"2021","journal-title":"Dig. 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