| CRLM | Colorectal Liver Metastases |
| CRs | Combined Resections |
| NCRs | Non-Combined Resections |
| MILR | Minimally Invasive Liver Resection |
| OR | Odds Ratio |
| CI | Confidence Interval |
| CD | Clavien–Dindo classification |
| SSI | Superficial Site Infection |
| RBC | Red Blood Cells |
| BMI | Body Mass Index |
| MI | Minimally Invasive |