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Volumes treated to 85Gy
Be Careful:Thresholds of point A dose
0
20
40
60
80
100
120
140
160
180
0
40
80
120
160
V85 Gy
⍺
/β=10
(cm
3
)
CTV
HR
Volume (cm
3
)
93 cm
3
, 85 Gy at Point A
67 cm
3
, 75 Gy at Point A
40 cm
3
, 65 Gy at Point A
21% pts
37% pts
38% pts
4% pts
Individualised dose adaptation: EMBRACE
2D X-ray: >75Gy
CT based: >70Gy
MR based: >65Gy