Left ventriculogram revealed preserved LV function and no mitral regurgitation.
 Patient has mitral regurgitation
(ROOT (S (NP (VBN Left) (NN ventriculogram)) (VP (VBD revealed) (NP (NP (JJ preserved) (NN LV) (NN function)) (CC and) (NP (DT no) (JJ mitral) (NN regurgitation)))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (NP (JJ mitral) (NN regurgitation)))))
( ( Left ventriculogram ) ( ( revealed ( ( ( preserved ( LV function ) ) and ) ( no ( mitral regurgitation ) ) ) ) . ) )
( Patient ( has ( mitral regurgitation ) ) )