2680-2681 / 3581
CTV
PTV
(cm)
Small
PTV
Intermediate
PTV
Large PTV
Based on CT30
Based on CT0
Anterior
0.5
1.5
1.5
2.0
Posterior
0.5
1.0
1.0
1.2
Planning Target Volume margins
Lateral
0.5
0.5
0.5
0.75
Superior
0.5
1.5
1.5
2.5
Inferior
0.5
0.5
0.5
0.75
Courtesy of Fiona McDonald