Angioplasty was performed and a stent was placed.
 the patient has coronary artery disease
(ROOT (S (NP (NNP Angioplasty)) (VP (VBD was) (VP (VP (VBN performed)) (CC and) (SBAR (S (NP (DT a) (NN stent)) (VP (VBD was) (VP (VBN placed))))))) (. .)))
(ROOT (S (NP (DT the) (NN patient)) (VP (VBZ has) (NP (JJ coronary) (NN artery) (NN disease)))))
( Angioplasty ( ( was ( ( performed and ) ( ( a stent ) ( was placed ) ) ) ) . ) )
( ( the patient ) ( has ( coronary ( artery disease ) ) ) )