Individual Clinical Outcomes According to 18F-FDG PET Results
| Outcome of follow-up | PET | ||
|---|---|---|---|
| Negative (n = 28) | Positive (n = 36) | ||
| No recurrence or metastasis | 25 | 3 | |
| Local recurrence | 0 | 11 | |
| Neck LN metastasis | 1 | 1 | |
| Local recurrence + neck LN metastases | 0 | 9 | |
| Distant metastases | 2 | 8 | |
| Axillary and mediastinal LNs | 0 | 1 | |
| Lung | 1 | 3 | |
| Pericardium | 1 | 0 | |
| Bones | 0 | 4 | |
| Neck LN + lung metastases | 0 | 2 | |
| Second malignancy (nonsmall cell lung carcinoma) | 0 | 1 | |
| Local recurrence + neck LN + lung or bone metastases | 0 | 1 | |
LN = lymph node.