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              <p>In brachytherapy, dosimetric plans are routinely calculated with the TG43 formalism which considers the patient as a simple water box. However, an accurate modeling of the physical processes considering patient heterogeneity using Monte Carlo (MC) methods is currently too time-consuming and computationally demanding to be routinely used. As solution we implemented an accurate and fast MC simulation on graphics processing unit (GPU) for brachytherapy (HDR and LDR) applications.</p>
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