title: QCA editorial.
authors: Ricardo A
authors: RA
authors: Costa
authors: Johan H C
authors: JH
authors: Reiber
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000295:instrumentation; D017023:Coronary Angiography; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging* / Q000628:therapy; D006801:Humans; D011237:Predictive Value of Tests; D011379:Prognosis; D011857:Radiographic Image Interpretation, Computer-Assisted; D012720:Severity of Illness Index; D015607:Stents