| Clinical staging | NAC invasion | Test | p-value (Sig.) | |||
| Absent (N = 50) | Present (N = 11) | |||||
| T |
|
|
|
|
|
|
| T1 | 10 | 20% | 1 | 9.1% | 1.002‡ | 0.606 (NS) |
| T2 | 39 | 78% | 10 | 90.9% | ||
| T3 | 1 | 2% | 0 | 0% | ||
| T4 | 0 | 0% | 0 | 0% | ||
| N |
|
|
|
|
|
|
| N0 | 20 | 40% | 0 | 0% | 10.591‡ | 0.014 (S) |
| N1 | 15 | 30% | 3 | 27.3% | ||
| N2 | 5 | 10% | 1 | 9.1% | ||
| N3 | 10 | 20% | 7 | 63.6% | ||
| TNM |
|
|
|
|
|
|
| T1N0M0 | 4 | 8% | 0 | 0% | 12.193‡ | 0.094 (NS) |
| T2N0M0 | 15 | 30% | 0 | 0% | ||
| T1N1M0 | 3 | 6% | 0 | 0% | ||
| T2N1M0 | 12 | 24% | 3 | 27.3% | ||
| T3N0M0 | 1 | 2% | 0 | 0% | ||
| T2N2M0 | 5 | 10% | 1 | 9.1% | ||
| T1N3M0 | 3 | 6% | 1 | 9.1% | ||
| T2N3M0 | 7 | 14% | 6 | 54.5% | ||
| AJCC stage grouping |
|
|
|
|
|
|
| Stage I | 4 | 8% | 0 | 0% | 2.144‡ | 0.342 (NS) |
| Stage II | 29 | 58% | 5 | 45.5% | ||
| Stage III | 17 | 34% | 6 | 54.5% | ||