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Findings demonstrate optimized plan complexity and quality assurance in head and neck VMAT using ASC settings.
The ASC effectively reduces plan complexity in VMAT for Ca-Tongue without compromising delivery accuracy. While Very High ASC yields the greatest complexity reduction, it also introduces modest trade-offs in PTV coverage and OAR sparing. The Moderate ASC setting appears optimal, offering a balance between complexity control and dosimetric quality. Clinical implementation of ASC should be tailored to tumor site and anatomy, with Moderate ASC recommended for head and neck VMAT to ensure safety, efficiency, and robust QA performance.
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M et al. (2026) studied this question.
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