Bilateral carotid stenosis 80 to 90% right greater then left.
 The patient has a CVA.
(ROOT (NP (NP (NP (JJ Bilateral) (NN carotid) (NN stenosis) (CD 80)) (PP (TO to) (NP (CD 90) (NN %))) (NP (ADJP (RB right) (JJR greater)) (S (ADVP (RB then)) (VP (VBD left))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (NP (DT a) (NNP CVA))) (. .)))
( ( ( ( Bilateral ( carotid ( stenosis 80 ) ) ) ( to ( 90 % ) ) ) ( ( right greater ) ( then left ) ) ) . )
( ( The patient ) ( ( has ( a CVA ) ) . ) )