Table 3. Characteristics of patients undergoing R0 surgery for recurrence during a 2-year follow-up period in patients with rectal or colon cancer.
| Con arm | PET arm | Total | |
|---|---|---|---|
| Total, N | 2a | 10a | 12 |
| pTNM staging at baseline | |||
| stage III | 1 | 8 | 9 |
| stage IV | 1 | 2 | 3 |
| Site of recurrence | |||
| Abdominal, liver | 2 | 6 | 8 |
| Other | 0 | 2 | 2 |
| Thoracic, pulmonary | 0 | 2 | 2 |
| Time to therapy (month) ±s.d. | 9.4 & 16.3 | 12.2±3.6 | 13.8±4.3 |
| Death, up to the end of study | 0 | 0 | 0 |
Con=conventional, PET=positron emission tomography.
a
Additional imaging procedures including MRI or PET arm were needed to best characterise sites and numbers of metastasis.