2017_IGRT course book

On-line volume

On-line volume

0 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Number of fractions

Patient number

Small

Intermediate Large

139 RT fractions assessed

• 68 (49%) small, 63 (45%) medium and 8 (6%) large selected • 3 (12%) same plan throughout the course • Manual isocentre shift in 15 fractions (10%) • 1 fraction CTV considered too large for the large plan