Nurse may review swelling (8)

I believe the answer is:

aneurysm

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'swelling' is the definition.
The definition and answer can be both states of affairs as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'nurse may review' is the wordplay.
'review' indicates an anagram.
'nurse'+'may'='nursemay'
'nursemay' with letters rearranged gives 'ANEURYSM'.

Can you help me to learn more?

(Other definitions for aneurysm that I've seen before include "Widening of a blood vessel" , "Artery wall swelling; nurse may (anagram)" , "Permanent abnormal dilation of artery" , "Swelling of a blood vessel" , "Permanent abnormal enlargement of an artery" .)

I've seen this clue in The Daily Express.

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