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Robotic Left Minor Liver Resection With the Hugo™ RAS System: Initial Experience.

Salvador Llopis-Mestre¹, Judith Camps-Lasa², Eric Herrero-Fonollosa²

¹Department of General and Digestive Surgery, Hospital Universitari Mútua Terrassa, Terrassa, Spain.

Surgical Innovation

|April 13, 2026

Summary

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The Hugo™ RAS system demonstrates feasibility and safety for robotic liver resection (RLR) in minor hepatectomies. This initial clinical experience shows promising outcomes for colorectal liver metastases (CRLM) treatment.

Area of Science:

Hepatobiliary Surgery
Minimally Invasive Surgery
Robotic Surgery

Background:

Minimally invasive liver resection offers advantages over open surgery.
New robotic systems like the Hugo™ RAS are expanding options in hepatobiliary surgery.

Purpose of the Study:

To report the first clinical experience with robotic liver resection (RLR) using the Hugo™ RAS platform.
To evaluate the feasibility and safety of the Hugo™ RAS system in liver resections for colorectal liver metastases (CRLM).

Main Methods:

A prospective case series of the first 3 consecutive patients undergoing RLR for CRLM.
Procedures performed using the Hugo™ RAS platform at a tertiary referral center.
Collection and descriptive analysis of demographic, perioperative, and oncological data.

Keywords:

Hugo™ RAS system colorectal liver metastases liver resection minimally invasive surgery robotic surgery

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Main Results:

Three patients underwent minor hepatectomies, all completed robotically without conversion.
Median operative time was 210 minutes, with minimal blood loss (50 mL).
No intraoperative complications, short hospital stay (median 4 days), and no postoperative complications or readmissions at 90-day follow-up. All specimens achieved R0 margins.

Conclusions:

Robotic liver resection using the Hugo™ RAS system is feasible and safe for selected minor hepatectomies.
The Hugo™ RAS system shows potential for improving outcomes in CRLM treatment.
This initial experience supports further investigation of robotic approaches in liver surgery.