Humanoid robots have completed what multiple outlets describe as a world-first operation on live pigs, with surgeons controlling the robots during the procedure. The reports characterize the work as a preclinical trial focused on testing whether humanoid robot systems can perform surgical tasks in a realistic setting. The operation on live animals is presented as an early feasibility milestone rather than a transition to clinical use. Across the sources, the central shared detail is that a humanoid robot is used as part of a surgical process and that human surgeons operate the system. Ars Technica frames the event explicitly as part of a feasibility study, indicating the broader goal is to evaluate the technology’s practical capabilities before any wider adoption. The articles do not provide additional technical results or patient-equivalent outcomes in the provided excerpts, but collectively they confirm that the trial has reached completion of this specific operation on live pigs and that surgeons remain integral to the robotic workflow. The reports present the achievement as a step in ongoing development and testing of humanoid robotics for surgery.