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Table 5 Excess Absolute Risk for ipsilateral lung, contralateral lung and contralateral breast for both t-IMRT and t-VMAT planning in 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
EAR (ipsilateral lung) 27.072 ± 2.187 27.295 ± 2.473 −0.223 (−0.8%) 0.0004
EAR (contralateral lung) 7.126 ± 1.105 12.312 ± 2.02 −5.186 (−42%) 0.04
EAR (contralateral breast) 2.985 ± 2.148 4.949 ± 2.373 −1.964 (−40%) 0.000002