Assertion: anterior pituitary's cell | /r/CapableOf | proliferate at abnormal rate
Facets:
value: in erdheim–chester disease
type: OTHER
value: in more severe cases
type: TEMPORAL
Source sentences:
text: In Erdheim–Chester disease, cells of the immune system called histiocytes proliferate at an abnormal rate causing a plethora of symptoms and, in more severe cases, death.