Table 2 Baseline Tumour Volume Parameters pre-IMRT

< 20 mm

2 (6%)

20-50 mm

9 (28%)

> 50 mm

21 (66%)

T1 Volume

(Median and range)

24.3 cm³

4.6–107.0 cm³

T2 Volume

(Median and range)

52.2 cm³

5.0–201.9 cm³

Berger-Sanai Classification Zones (Number and % tumour where zone involved)

I

27 (84%)

II

20 (62%)

III

18 (56%)

IV

26 (81%)

Giant

17 (53%)

Principal Berger-Sanai Classification Zone (Major Zone Involved)

I

12 (38%)

II

0 (0%)

III

3 (9%)

IV

8 (25%)

Giant

9 (28%)