label: Grade 4 Leukoencephalopathy, CTCAE
label_lc: grade 4 leukoencephalopathy, ctcae
description: "Life-threatening consequences; extensive T2/FLAIR hyperintensities, involving periventricular white matter involving most of susceptible areas of cerebrum +/- moderate to severe increase in SAS and/or moderate to severe ventriculomegaly"