She has a history of a positive PPD with a negative chest x- ray.
 The patient has active pulmonary tuberculosis.
(ROOT (S (NP (PRP She)) (VP (VBZ has) (NP (NP (DT a) (NN history)) (PP (IN of) (NP (DT a) (JJ positive) (NN PPD)))) (PP (IN with) (NP (NP (DT a) (JJ negative) (NN chest) (NN x)) (: -) (NP (NN ray))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (NP (JJ active) (JJ pulmonary) (NN tuberculosis))) (. .)))
( She ( ( ( has ( ( a history ) ( of ( a ( positive PPD ) ) ) ) ) ( with ( ( ( a ( negative ( chest x ) ) ) - ) ray ) ) ) . ) )
( ( The patient ) ( ( has ( active ( pulmonary tuberculosis ) ) ) . ) )