Table 3.
TNM subgroups (Union for International Cancer Control [UICC] 7)
| Total patient population | Patients undergoing surgery | |||
|---|---|---|---|---|
| TNM | ||||
| N (%) | N | % of total population | % in stage subgroup | |
| IIIA+IIIB | 583 (100) | 135 | 32.2 | NA |
| IIIA | 321 (55.1) | 119 | 20.4 | 37.1 |
| T4N0 | 33 (5.7) | 10 | 1.7 | 30.3 |
| T3N1 | 39 (6.7) | 16 | 2.7 | 41.0 |
| T4N1 | 26 (4.5) | 7 | 1.2 | 26.9 |
| T1N2 | 25 (4.3) | 14 | 2.4 | 56.0 |
| T2N2 | 98 (16.8) | 45 | 7.7 | 45.9 |
| T3N2 | 100 (17.2) | 27 | 4.6 | 27.0 |
| IIIB | 262 (44.9) | 16 | 2.8 | 6.1 |
| T4N2 | 129 (22.2) | 15 | 2.6 | 11.6 |
| T1N3 | 17 (2.9) | 0 | 0 | |
| T2N3 | 32 (5.5) | 0.2 | 3.1 | |
| T3N3 | 29 (5.0) | |||
| T4N3 | 55 (9.4) | |||
| T stage | ||||
| T1 | 42 (7.2) | 14 | 2.4 | 33.3 |
| T2 | 130 (22.3) | 46 | 7.9 | 35.4 |
| T3 | 168 (28.8) | 43 | 7.4 | 25.6 |
| T4 | 243 (41.7) | 32 | 5.5 | 13.1 |
| N stage | ||||
| N0 | 33 (5.7) | 10 | 1.7 | 30.3 |
| N1 | 65 (11.1) | 23 | 3.9 | 35.4 |
| N2 | 352 (60.4) | 101 | 17.3 | 28.7 |
| N3 | 133 (22.8) | 1 | 0.2 | 0.8 |
NA = not applicable