Dosimetric robustness of urethra sparing in ultrahypofractionated prostate SBRT using catheter-based motion tracking.

Strahlenther Onkol · 2026 · PMC13391749 · PMID 42171761

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not as significantno p-value reported

Considering the CTV, inter- and intrafractional variability is not as significant as for the PRV, because the CTV has a much larger volume compared to the urethra and sufficient margins.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.