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| Grade
|
|||||
|---|---|---|---|---|---|
| Group | Timing | 0 | I | II | III |
| Arm I | During radiation therapy | 26 (52%) | 20 (40%) | 4 (8%) | 0 |
| Arm II | During radiation therapy | 21 (42%) | 20 (40%) | 9 (18%) | 0 |
| Arm I | At 3-month follow-up* | 42 (86%) | 6 (12%) | 1 (2%) | 0 |
| Arm II | At 3-month follow-up | 42 (84%) | 8 (16%) | 0 | 0 |
There were no significant differences between the arms.
One patient had an unrelated abdominoperineal resection and could not be assessed.
