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Table 3 Comparison of Monitor Units, Normal Tissue Integral Dose, and V5% of Total Body between t-IMRT and t-VMAT for 20 patients with left-sided breast cancer

From: Left breast irradiation with tangential intensity modulated radiotherapy (t-IMRT) versus tangential volumetric modulated arc therapy (t-VMAT): trade-offs between secondary cancer induction risk and optimal target coverage

 

t-IMRT

t-VMAT

Difference

p-value

V5% total body (%)

36.02 ± 4.14

47.275 ± 5.89

−11.255 (−24%)

0.0007

NTID (cGy/cm3)

421.3 ± 52.07

523.26 ± 71.99

−102 (− 19%)

0.0000005

Monitor Units

348.155 ± 43.33

504.19 ± 35,39

−156.035 (−31%)

0.0000004

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Radiation Oncology

ISSN: 1748-717X

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