Abstract
BackgroundLaparoscopic surgery for middle and lower rectal cancer remain controversial because anatomical and complex surgical procedures specifically influence oncologic outcomes. This study analyzes the long-term outcomes of laparoscopic versus open surgery for middle and lower rectal cancer.MethodsPatients (laparoscopic: n = 129, open: n = 152) who underwent curative resection for middle and lower rectal cancer from 2003 to 2008 participated in the study. The same surgical team performed all operations. The mean follow up time of all patients was 74.3 months.ResultsNo statistical difference in local recurrence rate (7.8% vs. 7.2%; log-rank = 0.024; P = 0.876) and distant recurrence rate (20.9% vs.16.4%; log-rank = 0.699; P = 0.403) between laparoscopic and open groups were observed within 5 years. The 5-year overall survival rates of the laparoscopic and open groups were 72.9% and 75.7%, respectively; no significant statistical difference was observed between them (log-rank = 0.163; P = 0.686). The 5-year survival rates between groups were not different between stages: Stage I (92.6% vs. 86.7%; log-rank = 0.533; P = 0.465); stage II (75.8% vs. 80.5%; log-rank = 0.212; P = 0.645); and Stage III (63.8% vs. 69.1%, log-rank = 0272;P = 0.602). However, significant statistical difference amongst different stages were observed (log-rank = 1.802; P = 0.003).ConclusionLaparoscopic and open surgery for middle and lower rectal cancer offer equivalent long-term oncologic outcomes. Laparoscopic surgery is feasible in these patients.
Highlights
BackgroundLaparoscopic surgery for middle and lower rectal cancer remain controversial because anatomical and complex surgical procedures influence oncologic outcomes
Recent published reports of randomized trials that Laparoscopic resection (LR) for colorectal cancer is a feasible and safe technology [1,2,3,4,5,6]
The 5-year overall survival rates of the laparoscopic and open groups were 72.9% and 75.7%, respectively; no significant statistical difference was observed between them
Summary
Laparoscopic surgery for middle and lower rectal cancer remain controversial because anatomical and complex surgical procedures influence oncologic outcomes. This study analyzes the long-term outcomes of laparoscopic versus open surgery for middle and lower rectal cancer. Data Availability Statement: All relevant data are within the paper.
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