2017_SBRT_Course Book
40
Prescription isodose vs modern linac RT
35
30
45
50% 70% 80% 90% 90% IMRT ideal
40
25
35
30
20
25
20
15
Dose (Gy)
15
10
10
5
0
5
-14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1
x (mm)
0
-9
-8
-7
-6
-5
-4
-3
-2
-1
14 13 12 11 10
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