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Robotic versus open surgery for simultaneous resection of rectal cancer and liver metastases: a randomized controlled trial.

Chang W, Ye Q, Xu D, Liu Y, Zhou S,  Ren L et al.

Int J Surg 2023; 109: 3346-3353.

This study included a total of 171 procedures. There was no mortality. A robotic approach was associated with lower mean blood loss (125 vs 211ml, P<0.001), fewer complications (31.4 versus 57.6 per cent, P=0.014) and shorter hospital stay (8.0 versus 10.7 days, P<0.001). Overall survival rates were similar.

Comment: If it is accepted synchronous surgery is optimal, there seems much to gain from the robotic approach in the short term.

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