Work-up revealed dilated aortic root and left common carotid artery aneursym.
 The patient has dilated 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) (VP (VBN dilated) (NP (NNS arteries)))) (. .)))
( Work-up ( ( ( ( revealed ( dilated ( aortic root ) ) ) and ) ( left ( common ( carotid ( artery aneursym ) ) ) ) ) . ) )
( ( The patient ) ( ( has ( dilated arteries ) ) . ) )