Subsequently had cardiac cath which showed no coronary disease.
 Patient has had angina
(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 had) (NP (NN angina))))))
( Subsequently ( ( had ( ( cardiac cath ) ( which ( showed ( no ( coronary disease ) ) ) ) ) ) . ) )
( Patient ( has ( had angina ) ) )