Background The number of abdominal procedures performed via a robotic-assisted approach is increasing as potential advantages of the modality are recognised. We report the first in human case series of major colorectal resection performed using a new system, Versius ® , and assess the feasibility of its use. Methods The initial cases performed using Versius ® at a single centre in the UK were included in the study. Anonymised data were prospectively collected including patient demographics, operative details and postoperative outcomes. Results Twenty-three operations were performed, including left (n = 14) and right (n = 9)-sided colonic resections. Rectal mobilisation was performed in 13. Fifty-seven percent of the patients were male, with a malignant indication for surgery in 70% of cases. Overall mean age was 59.1 ± 15.3 (range 23-89) years. Overall mean body mass index was 28.9 ± 5.2 with a mean of 31.3 ± 4.5 for left-sided resections. The median console operating time was 166 min (range 75-320 min). All malignant cases had negative resection margins and the mean lymph node yield was 18 (SD 9.4). Only one operation (4%) was converted from robotic to open approach. Postoperative length of stay was a median of 5 days (range 3-34 days) and there were no readmissions within 30 days. Conclusions These results compare favourably with the literature on existing robotic systems and also conventional laparoscopic surgery; hence, we believe that this series indicates the Versius ® system is feasible for use in major colorectal resection. These early results from a robot-naïve centre show exciting promise for an expanding robotic market and highlight the need for further evaluation.

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