Table 3 TNM classification of the initial tumor, post-radiotherapy recurrence and stage migrations after salvage surgery due to radiotherapy failure
Stage at recurrence | Pathological stage | # Patients | Migration of stage | ||||
|---|---|---|---|---|---|---|---|
N0 | N+ | N0 | N+ | Upstaged | 4 | T1bN0 (I)→ T2N0 (II) | |
rT1 | 4 | 0 | 1 | 0 | T1aN0 (I)→ T2N0 (II) | ||
rT2 | 4 | 0 | 5 | 1 | T1bN0 (I)→ T2N1 (III) | ||
rT3 | 0 | 0 | 0 | 1 | T2N0 (II)→ T3N1 (III) | ||
Total | 8 | 0 | 6 | 2 | Downstaged | 1 | T1bN0 (I) → T1aN0 (I) |