Pediatric cns tumors

Which of the following best describes a key difference between pediatric and adult CNS tumors?

1: Cerebellar symptoms, such as ataxia and impaired coordination, are more common in pediatric CNS tumors than adult CNS tumors
2: Non-communicating hydrocephalus is rare in pediatric CNS tumors and common in adult CNS tumors
3: Pediatric CNS tumors are more commonly located above the tentorium cerebelli, while adult CNS tumors are usually located below this dural layer.
4: Signs/symptoms of intracranial hypertension are only found with adult CNS tumors.