Strategy for online correction of rotational organ motion for intensity-modulated radiotherapy of prostate cancer.


PURPOSE To develop and evaluate a correction strategy for prostate rotation using gantry and collimator angle adjustments. METHODS AND MATERIALS Gantry and collimator angle adjustments were used to correct for prostate rotation without rotating the table. A formula to partially correct for left-right (LR) rotations was derived through geometric analysis… (More)


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