( ( ( ( ( ( Coronary ( heart disease ) ) ( -LRB- ( CHD -RRB- ) ) ) , ) ( ( ( the ( leading cause ) ) ( of death ) ) ( in ( the ( United States ) ) ) ) ) , ) ( ( ( accounted ( for ( ( approximately 490,000 ) deaths ) ) ) ( in 1993 ) ) . ) )
(ROOT (S (NP (NP (JJ Coronary) (NN heart) (NN disease)) (PRN (-LRB- -LRB-) (NP (NNP CHD)) (-RRB- -RRB-)) (, ,) (NP (NP (DT the) (VBG leading) (NN cause)) (PP (IN of) (NP (NN death))) (PP (IN in) (NP (DT the) (NNP United) (NNPS States)))) (, ,)) (VP (VBD accounted) (PP (IN for) (NP (QP (RB approximately) (CD 490,000)) (NNS deaths))) (PP (IN in) (NP (CD 1993)))) (. .)))
Coronary heart disease (CHD), the leading cause of death in the United States, accounted for approximately 490,000 deaths in 1993.
(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))))) (. .)))