Resection margin influences the outcome of patients with bilobar colorectal liver metastases

Table 1 Clinical data of patients with bilobar colorectal liver metastases in this study

Demographic, clinical and pathological factors	Total (n)
All patients (n = 136)
All surgery patients (n = 71)
Demographic factors
Age > 65 yr	68
Male gender	99
Synchronous presentation	80
Down-staging therapy	70
Oxaliplatin-based regimen	60
Irinotecan-based regimen	10
Addition of biological agent	30
Surgical factors (n = 71)
Hemi-hepatectomy or more	22
Histo-pathological factor (n = 71)
Largest tumour size ≥ 5 cm	11
Number of metastases < 4	44
Lymphatic invasion present	15
Vascular invasion present	28
Peri-neural invasion present	9
Biliary invasion present	25
Resection margin (R0)	40