ESTRO 2025 - Abstract Book

S1119

Clinical – Head & neck

ESTRO 2025

Conclusion: This international guideline harmonizes RT target volume delineation, dose prescriptions, timing, imaging modalities, and target volume delineation post-ICT for NPC. It aims to standardize practices and improve comparability of outcomes in future studies.

Keywords: nasopharyngeal cancer, radiotherapy

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Digital Poster Benchmarking Multi-Specialty Interobserver Performance in Radiographic Detection and Staging of Mandibular Osteoradionecrosis Using the ClinRad System Zaphanlene Kaffey 1 , Sarah Mirbahaeddin 1 , Kareem Wahid 1,2 , Cem Dede 1 , Adegbenga Otun 3 , Ruth Aponte Wesson 3 , Stephen Lai 4 , Amy Moreno 1 , Clifton Fuller 1 , Laia Humbert-Vidan 1 1 Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA. 2 Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, USA. 3 Department