• Zijia Song, You Li, Kun Liu, Yimei Jiang, Yiqing Shi, Xiaopin Ji, Tao Zhang, Haoxuan Wu, Yi Shi, and Ren Zhao.
• Department of General Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025, China.
• Surg Endosc. 2019 Apr 1; 33 (4): 1117-1123.

BackgroundSingle-incision laparoscopic surgery (SILS) for right colon cancer is going to be considered as a new option. The potential benefits, clinical, and oncologic outcomes are still controversial. The aim of this study was to investigate clinical and oncologic outcomes of single-incision laparoscopic surgery (SILS) compared to conventional laparoscopic surgery (CLS) for right colon cancer using propensity score matching analysis.MethodsFrom December 2013 to June 2017, 174 patients underwent laparoscopic radical right hemicolectomy through a single-incision (n = 32) or a conventional (n = 142) approach. The data were prospectively collected and the patients were matched at a radio of 1:1 according to age, sex, body mass index (BMI), previous abdominal surgeries, comorbidities, ASA score (≤ 2/> 2), and pathologic stage.ResultsNo significant differences were observed in estimated blood loss, time to diet, postoperative pain score, length of hospital stay between the SILS and CLS groups. However, the SILS group showed longer operation time (175 (40) vs 145 (52.5), p = 0.011) and shorter incision length (4 (1.4) vs 7 (1.9), p < 0.001). There were 2 (6.3%) postoperative complications in the SILS group and 5 (15.6%) in the CLS group (p = 0.426). The pathologic outcomes were similar between two groups. The median follow-up period was 26.5 months in the SILS group and 34.9 months in the CLS group (p = 0.002). There were 3 recurrences (9.4%) in the SILS group and 3 (9.4%) in the CLS group. The 3-year disease-free survival rates were 92.4 and 93.8% (p = 0.984), and overall survival rates were 92.3 and 93.0% (p = 0.884) in the SILS and the CLS groups, respectively. No incisional hernia was observed during the follow-up period.ConclusionsThough single-incision laparoscopic surgery for right colon cancer showed longer operation time in this study, it appears to be a safe and feasible option with comparable clinical and oncologic outcomes to conventional laparoscopic surgery.

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