Characteristics of patients and tumour samples studied (n=38)
| Clinicopathological characteristics | |
| Age, median (range) | 56.5 (38–74) years old |
| Female | 19/38 (50%) |
| Received neoadjuvant chemotherapy prior to hepatic resection | 31/38 (82.6%) |
| Rectosigmoid or rectal location of primary tumour | 17/38 (45.7%) |
| T stage of primary tumour | |
| T1 | 2/38 (5.3%) |
| T2 | 5/38 (13.2%) |
| T3 | 23/38 (60.5%) |
| T4 | 8/38 (21.1%) |
| N stage of primary tumour | |
| N0 | 9/38 (23.7%) |
| N1 | 17/38 (44.7%) |
| N2 | 12/38 (31.5%) |
| Lymphovascular invasion present in primary tumour (unknown for n=11) | 19/27 (70.4%) |
| Perineural invasion present in primary tumour (unknown for n=10) | 10/28 (35.7%) |
| Synchronous metastasis (unknown for n=2) | 23/36 (63.9%) |
| Tumour molecular characteristics | |
| MSS (unknown for n=7) | 31/31 (100%) |
| NRAS wild type (unknown for n=12) | 25/26 (96.2%) |
| KRAS wild type (unknown for n=8) | 21/30 (70%) |
| BRAF wild type (unknown for n=12) | 26/26 (100%) |
MSS, microsatellite stable .