brain edema vs cerebral edema

brain edema and cerebral edema both are nouns.

Word	Noun	Adjective	Verb	Adverb
brain edema	Yes	No	No	No
cerebral edema	Yes	No	No	No

As nouns, brain edema and cerebral edema are synonyms defined as:

brain edema and cerebral edema: swelling of the brain due to the uptake of water in the neuropile and white matter

brain edema (noun)	cerebral edema (noun)
swelling of the brain due to the uptake of water in the neuropile and white matter	swelling of the brain due to the uptake of water in the neuropile and white matter