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Distribution of the recurrences and accuracy of PET/CT and CIS
| Lesion sites | No. of recurrences (n = 28) | Sensitivity of PET/CT | Sensitivity of CIS |
|---|---|---|---|
| Lymph nodes | 3 | 100% (3/3) | 100% (3/3) |
| Liver | 8 | 100% (8/8) | 100% (8/8) |
| Peritoneal seeding | 4 | 100% (4/4) | 100% (4/4) |
| Lung | 3 | 100% (3/3) | 67% (2/3) |
| Local recurrence | 6 | 100% (6/6) | 83% (5/6) |
| Metachronous tumor | 4 | 100% (4/4) | 50% (2/4) |
