The patient denied any headache, visual changes, chest pain, pleuritic pain, back pain, abdominal pain, diarrhea, blood per rectum, melena, dysuria, rash, or joint pain.
 the patient has chest pain
(ROOT (S (NP (DT The) (NN patient)) (VP (VBD denied) (NP (NP (DT any) (NN headache)) (, ,) (NP (JJ visual) (NNS changes)) (, ,) (NP (NN chest) (NN pain)) (, ,) (NP (JJ pleuritic) (NN pain)) (, ,) (NP (RB back) (NN pain)) (, ,) (NP (JJ abdominal) (NN pain)) (, ,) (NP (NN diarrhea)) (, ,) (NP (NP (NN blood)) (PP (IN per) (NP (NN rectum))))) (, ,) (NP (NP (NN melena)) (, ,) (NP (NN dysuria)) (, ,) (NP (NN rash)) (, ,) (CC or) (NP (JJ joint) (NN pain)))) (. .)))
(ROOT (S (NP (DT the) (NN patient)) (VP (VBZ has) (NP (NN chest) (NN pain)))))
( ( The patient ) ( ( ( ( denied ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( any headache ) , ) ( visual changes ) ) , ) ( chest pain ) ) , ) ( pleuritic pain ) ) , ) ( back pain ) ) , ) ( abdominal pain ) ) , ) diarrhea ) , ) ( blood ( per rectum ) ) ) ) , ) ( ( ( ( ( ( ( melena , ) dysuria ) , ) rash ) , ) or ) ( joint pain ) ) ) . ) )
( ( the patient ) ( has ( chest pain ) ) )