EBRO 2017

Correction for heterogeneities

• Dose to ICRU point = -2.3% [-9 – 4] • no correction vs same MUs with correction

Replan with correction

Organs at risk No correction

Delta (%)

lung (MLD)

14.4 [7.0 – 21.7] 14.8 [7.5 – 22.2]

4 [-18 – 27]

chord (Dmax) 32.0 [2.2 – 61.7] 30.7 [-1.5 – 63]

-6 [-29 – 16]

heart (V35)

9 [-9 – 28]

10 [-8 – 29]

13 [-33 – 58]

Courtesy C. Cabanel & D. Voisard