Work-up revealed dilated aortic root and left common carotid artery aneursym.
 The patient has normal sized arteries. 
(ROOT (S (NP (JJ Work-up)) (VP (VP (VBD revealed) (VP (VBN dilated) (NP (JJ aortic) (NN root)))) (CC and) (VP (VBD left) (NP (JJ common) (NN carotid) (NN artery) (NN aneursym)))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (NP (JJ normal) (VBN sized) (NNS arteries))) (. .)))
( Work-up ( ( ( ( revealed ( dilated ( aortic root ) ) ) and ) ( left ( common ( carotid ( artery aneursym ) ) ) ) ) . ) )
( ( The patient ) ( ( has ( normal ( sized arteries ) ) ) . ) )