Some gene changes can be inherited from a parent and may increase a child’s cancer risk
Most childhood cancers are not caused by inherited genetic changes. Around 8–10% are linked to inherited pathogenic variants
Very young cancer diagnoses or several relatives with related cancers can signal a possible hereditary cancer syndrome
Blood or saliva testing can identify certain inherited changes linked to increased cancer risk.
Genetic counseling can help families understand test results, possible risks and appropriate next steps