Table 3.
Histopathological data
| No. of patients* (n = 650) | |
|---|---|
| Tumour size (mm) (n = 580) † | 13 (7–25) |
| No. of lymph nodes resected (n = 490) † | 10 (4–25) |
| No. of tumour‐positive lymph nodes (n = 531) † | 0 (0–3) |
| Lymph node ratio (n = 455) † | 0 (0–0·23) |
| T category | |
| T1a | 213 (32·8) |
| T1b | 186 (28·6) |
| T2 | 111 (17·1) |
| T3 | 76 (11·7) |
| T4a | 29 (4·5) |
| T4b | 3 (0·5) |
| Tx | 3 (0·5) |
| Unknown | 29 (4·5) |
| N category | |
| N0 | 283 (43·5) |
| N1a | 106 (16·3) |
| N1b | 130 (20·0) |
| Nx | 88 (13·5) |
| Unknown | 43 (6·6) |
| M category | |
| M0 | 359 (55·2) |
| M1 | 37 (5·7) |
| Mx | 162 (24·9) |
| Unknown | 92 (14·2) |
| Tumour stage | |
| I | 289 (44·5) |
| II | 81 (12·5) |
| III | 97 (14·9) |
| IVA | 108 (16·6) |
| IVB | 1 (0·2) |
| IVC | 37 (5·7) |
| Unknown | 37 (5·7) |
*
With percentages in parentheses unless indicated otherwise;
†
values are median (i.q.r.).