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1,2 Moreover, 4 randomized trials comparing the long-term outcomes of open and laparoscopic surgery groups have shown no differences after 3-, 5-, or 10-year analyses. Literature has reported that laparoscopic colectomy to be associated with shorter hospital stays, fewer surgical site complications, and a return to routine life. Advances in surgical instruments and techniques have led to minimally invasive surgeries becoming a popular choice in particular, laparoscopic surgery and robotic surgery are trending worldwide. Our standardized 4-step technique of laparoscopic left hemicolectomy is more efficient, has fewer surgical complications, and yields better short-term and similar long-term oncologic outcomes compared with open surgery.Ĭolorectal cancer (CRC) is a deadly disease with high prevalence and mortality. No differences were observed between the groups in postoperative mortality (open vs. 9.2%, P<0.001), and lower risks of superficial surgical site infections, lung complications, and gastrointestinal complications. 7 d, P<0.001), less postoperative morbidity (open vs. Compared with the open surgery group, the laparoscopy group had significantly shorter hospital stays (open vs.
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The open surgery and laparoscopy groups had 357 and 207 patients, respectively. We enrolled 564 patients who underwent open or laparoscopic left hemicolectomy for primary colon adenocarcinoma. Long-term outcomes were disease-free survival and overall survival. Short-term outcomes were postoperative morbidity and mortality. The short-term and long-term outcomes of open and laparoscopic left hemicolectomy from 10 years of experience using a standardized 4-step laparoscopic procedure at one institution were compared. This study was conducted at the department of colorectal surgery in a tertiary teaching hospital between October 2007 and December 2017. This is a retrospective hospital-based cohort study using a propensity score–weighted method. Because methods of performing laparoscopic left hemicolectomy differ between surgeons, standardizing the procedure is crucial to reduce complications and secure good oncologic outcomes.