Grade 0

No (%)

Grade 1

No (%)

Grade 2

No (%)

Grade 3

No (%)

P-value

1) At 12 Months of Radiotherapy

48 (88.9%)

5 (9.2%)

1 (1.9%)

0 (0%)

P = 0.695n.s

2) At 24 Months of Radiotherapy

51 (94.4%)

3 (5.6%)

0 (0%)

0 (0%)