Telesurgery versus Local Surgery in Low-Risk Hepatectomy: a Non-inferiority Randomized Controlled Trial

INTERVENTION: Tele‐surgery group:Robot‐assisted hepatectomy performed remotely ;Local surgery group:Robot‐assisted hepatectomy performed locally ; CONDITION: Liver tumor PRIMARY OUTCOME: Surgical success rate (composite endpoint); SECONDARY OUTCOME: Incidence of perioperative complications;Length of Stay;Postoperative recovery indicators;Postoperative quality of life;Remote surgery technical parameters;Workload of the medical team;The time for the first intake of liquid food after the surgery;The first time to get out of bed for activities;Time for removal of abdominal drainage tube;The rate of secondary surgeries within 30 days after the operation;The re‐admission rate within 30 days after surgery;All‐cause mortality rate 90 days after surgery;Removal rate of R0;Distance of surgical margin; INCLUSION CRITERIA: 1. Age between 18 and 75 years old, with no gender restrictions; 2. ECOG performance status score of 0‐1; 3. American Society of Anesthesiologists (ASA) classification of grade I‐II; 4. To undergo one of the following three surgical types: (1) Left lateral lobe liver resection; (2) Anatomic liver segmentectomy of <= 2 liver segments; (3) Non‐anatomic wedge liver resection; 5. Physiological conditions suitable for robot‐assisted laparoscopic surgery; 6. And willing to cooperate and complete the research follow‐up and related examinations.