Carbon-ion Gy(RBE) values are not directly interchangeable between planning systems
Different carbon-ion RBE models can assign substantially different biological doses to the same absorbed-dose distribution, requiring context-specific translation.
Tag
consensus-guidelines
Experts reached limited consensus on prostate GTV contouring and micro-boosting
Only 33% of statements reached consensus, but experts agreed on multimodality imaging, eligible lesions, and daily image guidance.
Children’s Oncology Group guidelines standardize pediatric radiotherapy simulation across treatment sites and techniques
COG guidelines standardize pediatric radiotherapy simulation across treatment sites and techniques
Experts prioritized biomarker-guided radiotherapy–systemic therapy trials in head and neck cancer
International experts identified eight research priorities covering biomarker-guided chemoradiation, immunotherapy sequencing, and consolidation radiotherapy in metastatic head and neck cancer.
ESTRO defined minimum standards for prostate SBRT implementation
ESTRO recommends prostate SBRT for selected intermediate-risk disease with MRI-based contouring, rigorous quality assurance, and daily image guidance.
ESTRO defines clinical standards for high-dose thoracic reirradiation in NSCLC
ESTRO recommends selective high-dose thoracic reirradiation with comprehensive staging, limited target volumes and formal cumulative dose assessment.
ABS defines competencies for endobronchial and esophageal brachytherapy training
The American Brachytherapy Society outlines clinical, procedural, planning and safety competencies for trainees performing endobronchial and esophageal brachytherapy.
DEGRO supports ultrahypofractionation for localized prostate cancer but flags higher late urinary toxicity
DEGRO supports ultrahypofractionation for low- to intermediate-risk prostate cancer, with comparable control but increased late genitourinary toxicity in selected patients.
International consensus supported acute radiation dermatitis scoring tool
An international Delphi panel approved a three-step acute radiation dermatitis tool integrating patient-reported symptoms and clinician assessment.
ESTRO–ASTRO guidance standardises reirradiation for locally recurrent rectal cancer
ESTRO–ASTRO guidance supports selected rectal cancer reirradiation using 30–40 Gy regimens, cumulative dose assessment, inverse planning and daily volumetric imaging.