Table 1. Patients and tumour baseline characteristics.

Patients	81
Gender
Male	49
Female	32
Mean age (years)	62.86
Median age (range)	65 (34–80)
Performance status
0	80% (65 out of 81)
1	20% (16 out of 81)
Site of primary tumour
Sigma-colon	75% (61 out of 81)
Rectum	25% (20 out of 81)
Metastases (M)
0	33% (27 out of 81)
1	67% (54/81)
Site of metastasis
Liver	38
Liver+other	18
Lymph nodes	6
Lung	10
Other sites	9