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Modern dose calculation algorithms model absence of lateral charged particle equilibrium to a limited extent. The resulting dose calculation uncertainties are most noticeable in strongly heterogeneous regions, like the thorax, and will increase in deep inspiration breath hold (DIBH) due to decreased lung tissue density.For 17 stage I and 17 stage III lung cancer patients, a plan in free breathing...
To investigate a novel method for sparing urethra in external beam radiotherapy of prostate cancer and to evaluate the efficacy of such a treatment in terms of tumour control using a mathematical model.This theoretical study includes 20 patients previously treated for prostate cancer using external beam radiotherapy. All patients had a Nickel–Titanium (Ni–Ti) stent inserted into the prostate part...
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