Failure patterns of all patients
| Variable | No. of patients (%) |
| Pattern of failure | |
| Distant metastasis | 118 (14.9)* |
| Local and/or regional failures | 78 (9.8)* |
| Local failures alone | 60 (7.6) |
| Regional failures alone | 18 (2.3) |
| Local and regional failures | 9 (1.1) |
| Distant+local/regional failures | 15 (1.9) |
| Total | 196 (24.7) |
| Cause of death | |
| Distant metastasis | 106 (13.4) |
| Local or regional failure | 45 (5.7) |
| radiotherapy or chemotherapy-related complications | 5 (0.6) |
| Other malignant tumours | 1 (0.1) |
| No cancer causes | 3 (0.4) |
| Unknown causes | 2 (0.3) |
| Total | 162 (20.5) |
*The number includes the 15 patents with both distant and local/regional failures.