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EP-1766: Factors influencing on intrafraction variation in lung Stereotactic Body Radiation Therapy
2016
Radiotherapy and Oncology
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Results: The mean retro-projection error (± SD) for the DLT calibration of the X-ray system was 0.06±0.03 mm. Median values of markers deviation during irradiation, considering both patients, ranged between -0.54 mm/0.75 mm, -1.06 mm/0.85 mm and -0.55 mm/0.90 mm in the LL (laterolateral), SI (superior-inferior) and AP (antero-posterior) direction, respectively. Conclusion: We documented eye motion well below the applied safety margins. Future activities will focus on quantifying the effect of intrafraction eye motion on dose deposition.
doi:10.1016/s0167-8140(16)33017-1
fatcat:ura4tjeoi5gxddtb7neqsy2rsq