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Table 2: 
Summary of imaging findings on postnatal MR imaging in the cohort as a whole
Imaging Finding% of Cohort
Cerebellar ectopia63.7% (65/102)
Postnatal Chiari grade
    136.3% (37/102)
    226.5% (27/102)
    337.3% (38/102)
Effacement of prepontine cistern14.7% (15/102)
Lateral ventricular size
    Normal4.9% (5/102)
    Mild-moderate ventriculomegaly21.6% (22/102)
    Severe ventriculomegaly51% (52/102)
    Extreme ventriculomegaly22.5% (23/102)
Lateral ventricular rupture2.9% (3/102)
Extra-axial CSF effacement22.5% (23/102)