IMRT 2018

Example Replan Lung

Validation – clinical impact

Median 440 cm 3

Before ART (102)

ART (102)

p-value

GTV (cm 3 )

(T+N)

62

60

0.93

mv

Median 331 cm 3

PTV (cm 3 )

440

331

<0.001

MLD (Gy)

14.4

11.7

0.005

MHD (Gy)

8.2

6.7

0.29

PTV cm 3