cerebral edema vs brain edema

cerebral edema and brain edema both are nouns.

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

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

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

cerebral edema (noun)	brain 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