Summary of Cases Upstaged by PET/CT Based on Initial Clinical American Joint Committee on Cancer Stages (14)
| Initial clinical stage | PET/CT stage | |||||||
| Total | I | IIA | IIB | IIIA | IIIB | IIIC | IV (%) | |
| I | 20 | 17 | 2 | 1 (5) | ||||
| IIA | 44 | 37 | 3 | 1 | 1 | 2 (5) | ||
| IIB | 47 | 34 | 1 | 4 | 8 (17) | |||
| IIIA | 13 | 8 | 1 | 4 (31) | ||||
| IIIB | 8 | 4 | 4 (50) | |||||
| IIIC | 2 | 1 | 1 (50) | |||||
| Total | 134 | 17 | 39 | 37 | 10 | 4 | 7 | 20 (15) |