In colorectal metastases patients who require liver resection, does a surgeon having knowledge of liver fat measurements influence surgical planning decisions that result in improved patient outcomes.

Intervention arm – the surgeon will have knowledge of a quantitative measure of liver fat from MRI (HepaFat-Scan) Primary Outcome 1: all cause mortality as assessed by data linkage to medical records[Timepoint: within 3 months post surgery];Primary Outcome 2: postoperative complications as assessed by data linkage to medical records (e.g. ascites, urine infection, bilioma, renal failure)[Timepoint: at baseline and 6 months post surgery];Primary Outcome 3: deviations from standard surgical treatment as assessed by qualitative questionnaire designed specifically for this study[Timepoint: baseline] Study Design: Purpose: Treatment; Allocation: Randomised controlled trial; Masking: Blinded (masking used);Assignment: Parallel;Type of endpoint: Safety/efficacy