ESTRO 2025 - Abstract Book

S3332

Physics - Intra-fraction motion management and real-time adaptive radiotherapy

ESTRO 2025

established. Below this threshold, 12 out of 24 cases exhibited a reduction of at least 5% in PTV coverage in the predicted plan, necessitating online adaptation. Conversely, for PTV volumes exceeding 15 cc, only 1 out of 10 cases showed a similar reduction in target coverage, indicating a lower likelihood of requiring adaptation.