APBI 2016

Ipsilateral lung dosimetry

WBRT 3D-CRT IBT

p*

p**

V30

15 % 8 % 1 % <0,0001 <0,0001

D10

55 % 23 % 13 % <0,0001 0,0007

8 % 5 % 6 % 0,0008 0,1572

D 1/3

105 % 94 % 47 % <0,0001 <0,0001

D max

WBRT: whole breast radiotherapy, 3D-CRT: 3D conformal radiotherapy, IBT: interstitial brachyterapy, *WBRT vs. 3D-CRT, **3D-CRT vs. IBT