Subsequently had cardiac cath which showed no coronary disease.
 Patient has CAD
(ROOT (S (NP (NNP Subsequently)) (VP (VBD had) (NP (NP (JJ cardiac) (NN cath)) (SBAR (WHNP (WDT which)) (S (VP (VBD showed) (NP (DT no) (JJ coronary) (NN disease))))))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (VP (VBN CAD)))))
( Subsequently ( ( had ( ( cardiac cath ) ( which ( showed ( no ( coronary disease ) ) ) ) ) ) . ) )
( Patient ( has CAD ) )