Objective Complete gastrectomy for gastric stump cancer (GSC) can be challenging due to severe adhesions; therefore, advanced techniques are required when being performed by laparoscopic surgery. This study aimed to evaluate the clinical outcomes of laparoscopic completion total gastrectomy (LCTG) for the treatment of GSC. Methods Patient records from January 2010 to October 2018 were retrospectively evaluated. The patients were classified into two groups depending on whether they underwent open or laparoscopic gastrectomy. We compared patient characteristics; operative, clinical, and pathological data between the groups. Results Twenty open and 17 LCTGs were performed. Laparoscopic gastrectomy resulted in a significantly longer operation time (230 vs. 182.5 min; p = 0.026), lower blood loss (14 vs. 105 mL; p < 0.001), and shorter period to the first flatus passage (2 vs. 3 days; p < 0.001) than open gastrectomy. No significant differences in the number of retrieved lymph nodes, duration of hospital stay, complication rate, and postoperative analgesic usage between the two groups were observed. No patients required conversion to open surgery in the laparoscopic-treatment group. Pathological findings revealed that the laparoscopic group had a smaller tumor size (not pathological T category) and fewer metastatic lymph nodes than the open group leading to an earlier distribution of the pathological stage in the laparoscopic group. Conclusions LCTG for the treatment of GSC was safely conducted with fewer complications and mortalities than previously reported results. Advanced technologies and sophistication of laparoscopic skills may further yield minimal invasiveness with better short-term outcome.

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