( ( ( Medical advances ) ( in ( ( treating ( heart disease ) ) ( Despite ( ( ( these changes ) , ) ( cardiovascular disease ) ) ) ) ) ) ( ( remains ( ( the ( leading cause ) ) ( of ( death ( in ( the ( United States ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Medical) (NNS advances)) (PP (IN in) (S (VP (VBG treating) (NP (NN heart) (NN disease)) (PP (IN Despite) (NP (NP (DT these) (NNS changes)) (, ,) (NP (JJ cardiovascular) (NN disease)))))))) (VP (VBZ remains) (NP (NP (DT the) (VBG leading) (NN cause)) (PP (IN of) (NP (NP (NN death)) (PP (IN in) (NP (DT the) (NNP United) (NNPS States))))))) (. .)))
Medical advances in treating heart disease Despite these changes, cardiovascular disease remains the leading cause of death in the United States.
(ROOT (S (NP (NNP Heart) (NN disease)) (VP (VBZ is) (NP (NP (DT the) (VBG leading) (NN cause)) (PP (IN of) (NP (NN death))) (PP (IN in) (NP (DT the) (VBN united) (NNS states))))) (. .)))