World Cancer Day: When “Rare” Becomes Your Whole World World Cancer Day is meant to raise awareness. To shine a light. To educate. But when your child has cancer, days like this don’t feel symbolic — they feel deeply personal. Neuroblastoma is often described as rare. Rare on paper. Rare in statistics. Rare in conversations that happen far away from hospital walls. But “rare” is only rare until it happens to you. And when it happens to you, it is no longer a percentage or a h