ABSTRACT Background Remnant gastric cancer (RGC) is an entity for which completion gastrectomy (CG) is considered the standard treatment. However, subtotal resection of the remnant stomach (SR) may preserve postoperative nutritional status while maintaining oncologic safety. Comparative data between these two procedures in RGC remain limited. Methods A retrospective multicenter cohort study was conducted involving 133 patients who underwent surgery for RGC at five institutions. Patients were categorized into SR ( n = 17) and CG ( n = 116) groups, and perioperative characteristics, postoperative outcomes, and long‐term survival were compared. Results Operative time was significantly shorter in the SR group than in the CG group (236.4 vs. 317.3 min; p = 0.001). There were no significant differences in lymph node dissection, resection margins, or overall postoperative complication rates between the groups. The postoperative body weight loss rate was significantly lower in the SR group compared with the CG group (5.02% vs. 9.96%; p = 0.016). Overall survival and recurrence‐free survival did not differ significantly between the groups. Conclusions Subtotal gastrectomy for RGC was associated with reduced operative time and minimized postoperative weight loss without compromising oncologic safety. These findings suggest that SR may be a feasible alternative to CG in selected patients with RGC.
Kudou et al. (Wed,) studied this question.
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