Figure 4 | Scientific Reports

Figure 4

From: Propensity-score-matched evaluation of the incidence of radiation pneumonitis and secondary cancer risk for breast cancer patients treated with IMRT/VMAT

Figure 4

Differential dose volume histograms of the same two representative patients for irradiation of the ipsilateral and contralateral lung and contralateral breast for IMRT/VMAT breast radiotherapy (a,b,c). OED/EAR of 30 patients (mean and standard deviation) using Schneider’s full model for 6 OARs for IMRT and VMAT (d,e). Accumulated EARs for 6 OARs at age of 70 years (f). The EAR has units of excess cases per 10,000 person-years (PY)/Gy. Abbreviations: IMRT, intensity-modulated radiotherapy; VMAT, volumetric-modulated arc therapy; OED, organ equivalent dose; EAR, excess absolute risks; SC, spinal cord; C-Breast, contralateral breast; I-Lung, ipsilateral lung; C-Lung, contralateral lung; OARs, organs at risk.

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