Role of radiotherapy in the treatment of primary vaginal cancer: Recommendations of the Société française de radiothérapie oncologique, 2025 update.

Primary vaginal cancers are rare tumours, for which external beam radiotherapy and brachytherapy are major treatment tools. Given the complexity of brachytherapy techniques, the treatment should be performed in specialised centres. We present the 2025 update of recommendations of the Société française de radiothérapie oncologique on the indications and techniques for external beam radiotherapy and brachytherapy for primary vaginal cancer.