1181 / 1694
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
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
Planning target volume margins