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Aim  In response to the rising use of laparoscopic surgery, recent studies have shown that laparoscopic multivisceral resections for locally advanced colon cancer are safe, feasible, and provide acceptable oncological outcomes. However, the usefulness of laparoscopic multivisceral resection remains controversial. Here, we aimed to compare short‐term and long‐term outcomes between laparoscopic and open multivisceral resection approaches for treating locally advanced colon cancer.    Methods  We retrospectively collected data on 1315 consecutive patients admitted to the National Hospital Organization, Osaka National Hospital, for surgical treatment of colorectal cancer between 2010 and 2017. We assessed invasiveness in terms of operating times, blood loss, and complications. Oncological outcomes included 5‐year survival rates and recurrences.    Results  We included 85 patients that underwent a colectomy with a multivisceral resection for locally advanced colon cancer; of these, 38 were treated with a laparoscopic approach and 47 were treated with an open approach. Compared to the open surgery group, the laparoscopic group had significantly less blood loss (median volume: 25 vs 140 mL,  P  <0.001), a lower complication rate (10.5% vs 29.8%,  P  = 0.036), and shorter hospital stays (12 vs 15 days,  P  = 0.028). After excluding patients with stage Ⅳ colon cancer, the groups showed similar pathologic outcomes and no significant differences in 5‐year disease‐free survival (73.9% vs 67.4%;  P  = 0.664) or 5‐year overall survival (75.8% vs 67.7%;  P  = 0.695).    Conclusion  A laparoscopic approach for locally advanced colon cancer could be less invasive than an open approach without affecting oncological outcomes in selected patients.

Short‐term and long‐term outcomes of laparoscopic colectomy with multivisceral resection for surgical T4b colon cancer: Comparison with open colectomy