Deep inspiration breath hold versus free breathing in postoperative radiotherapy strategy for patients with left-sided breast cancer treated with volumetric modulated arc therapy: A meta-analysis and systematic review.

PLoS One · 2026 · PMC13035160 · PMID 41911243

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did not reach statistical significanceno p-value reported

The subgroup analysis of contralateral lung dose V5 revealed similar results, although V20 did not reach statistical significance.

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