The effect of treatment position, prone or supine, on dose-volume histograms for pelvic radiotherapy in patients with rectal cancer.
Patients undergoing radiotherapy for rectal cancer are generally treated in a prone position, with a full bladder, to reduce the volume of normal bowel in the high-dose volume. This position is difficult to maintain, and is not consistently reproducible. This study evaluates the volume of bowel and dose received in the prone and supine positions in patients undergoing pre-operative rectal cancer chemoradiation. Using CT planning, 19 consecutive patients with rectal cancer with a full bladder ...Expand abstract
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