Grade 0

No (%)

Grade 1

No (%)

Grade 2

No (%)

Grade 3

No (%)

P-value

1) At 12 Months of Radiotherapy

39 (72.2%)

11 (20.4%)

4 (7.4%)

0 (0%)

P = 0.386n.s

2) At 24 Months of Radiotherapy

37 (68.5%)

12 (22.2%)

5 (9.2%)

0 (0%)