ESTRO 2025 - Abstract Book

S622

Clinical - Breast

ESTRO 2025

Conclusion: Our study showed that loco-regional recurrences were related mostly to aggressive tumor biology, with approximately 70% of failures attributed to geographical misses. Adopting RTOG guidelines for volume delineation in high-risk cases with aggressive histology might be beneficial. However, Further follow-up and meticulous documentation of the recurrences is needed to improve their understanding.

Keywords: Recurrence pattern, RTOG, Radiation therapy

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