| Study group Radiotherapy (+) | Control group Radiotherapy (−) |
---|---|---|
T Stage | ||
 T1 | 3 (4%) | 11 (46%) |
 T2 | 11 (15%) | 13 (54%) |
 T3 | 11 (15%) | – |
 T4 | 48 (66%) | – |
N Stage | ||
 N0 | 15 (21%) | 24 (100%) |
 N1 | 28 (38%) | – |
 N2 | 16 (22%) | – |
 N3 | 14 (19%) | – |
Surgical procedure | ||
 Subtotal | 41 (56%) | 13 (54%) |
 Total | 32 (44%) | 11 (46%) |