1 Introduction Obesity rates have risen sharply in recent decades [1]. This is reflected in the cohort requiring hepatic cancer resections, with increasing concurrent obesity evident in this population [2]. Overweight and obesity, defined as a body mass index (BMI) over 25 and 30 kg/m2, respectively, are well-established risk factors for perioperative complications and were once considered contraindications for certain operations due to technical challenges [3].