Patients’ characteristics | CTC = 0 | CTC ≥ 1 | Total (%) |
---|---|---|---|
n = 34 | n = 27 | n = 61 | |
Age | |||
Median | 69 | 63 | 67 |
(range) | (34–80) | (36–82) | (34–82) |
Site of primary tumor | |||
Right hemicolon | 14 | 9 | 23 (38%) |
Left hemicolon | 7 | 7 | 14 (23%) |
Rectum | 13 | 10 | 23 (38%) |
Other | 0 | 1 | 1 (1%) |
Site of metastasis | |||
Liver only | 14 | 10 | 24 (40%) |
Others | 20 | 17 | 37 (60%) |
Disease status | |||
Primary | 11 | 12 | 23 (38%) |
Recurrence | 23 | 15 | 38 (62%) |
KRAS status in primary tissue | |||
Wild-type | 21 | 14 | 35 (57%) |
Mutant | 9 | 10 | 19 (31%) |
Unknown | 4 | 3 | 7 (12%) |