| Toxicity | Grade 0 | Grade 1 | Grade 2 | |||
| No. | % | No. | % | No. | % | |
| GI | 5% | 65% | 30% | |||
| Proctitis | 0 | 58 | 79.5 | 15 | 20.5 | |
| Diarrhea | 8 | 11 | 35 | 48 | 30 | 41 |
| GU | 34% | 36% | 30% | |||
| Frequency | 0 | 22 | 30.1 | 51 | 69.9 | |
| Incontinency | 37 | 50.7 | 28 | 38.4 | 8 | 11 |
| Retention | 59 | 80.8 | 14 | 19.2 | 0 | |
| Urinary tract pain | 8 | 11 | 28 | 38.4 | 37 | 50.7 |
| Urgency | 22 | 30.1 | 36 | 49.3 | 15 | 20.5 |