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. Author manuscript; available in PMC: 2011 Oct 31.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2009 Jun 18;75(1):294–301. doi: 10.1016/j.ijrobp.2009.03.043

Table 3.

Comparison of plans to WBRT at DIBH to evaluate the impact of the geometry. Dose values are in Gray.

WBRT - DIBH APBI 3DCRT - FB APBI 3DCRT - DIBH APBI IMRT - DIBH

N = 10 Dose
(Gy)
Dose
(Gy)
P-value Dose
(Gy)
P-value Dose
(Gy)
P-value

PTV
Maximum 47.9 44.6* 0.0185 44.9* 0.0237 41.5* 0.0004
Mean 41.2 40.6 0.2388 40.9 0.6497 39.1* 0.0018
%Vol>95%d 97.3 99.6* 0.0027 99.1 0.0866 99.2 0.0689

Heart
Maximum 31.5 8.2* 0.0016 4.8* 0.0001 3.8* <0.0001
Mean 1.0 0.5 0.1869 0.4 0.0722 0.5 0.1655

LAD
Maximum 15.8 6.1 0.0810 2.2* 0.0103 1.8* 0.0083
Mean 4.2 1.9 0.2247 0.7* 0.0496 0.8 0.0527

Left lung
Maximum 41.9 38.1* 0.0033 35.5* 0.0007 35.4* 0.0009
Mean 4.9 2.9* 0.0070 1.7* 0.0003 1.8* 0.0003
V20 11.2 4.1* 0.0010 1.7* <0.0001 1.4* <0.0001
V10 14.7 9.2* 0.0284 4.6* 0.0004 4.0* <0.0001
V5 18.7 14.9 0.1847 8.5* 0.0020 8.2* 0.0008

Right Breast
Maximum 6.8 3.2 0.0580 2.9* 0.0415 1.8* 0.0305
Mean 0.1 0.1 0.1718 0.1* 0.0402 0.1 0.9487
*

Denotes p-value <0.05.