Pediatric cancer: how Lucas miraculously cured a form deemed incurable. Lucas, a Belgian child treated in France, suffered from an infiltrating glioma of the brain stem.

His case, unique in the world, is being studied closely to try to develop an effective treatment. On the occasion of World Pediatric Cancer Day, a look back at this exceptional case. The five-year survival rate for pediatric cancers now reaches 85%, infiltrating brainstem gliomas is almost always fatal.