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Fig. 1 Patient 1. Angiograms show A) two “tandem” lesions on the left anterior descending coronary artery (anteroposterior cranial projection); B) drug-eluting stent implantation with a marked waist caused by a nondilatable calcified lesion; C) a suboptimal angiographic result after stent implantation; D) unsuccessful noncompliant-balloon dilation; and E) an optimal angiographic result after OPN NC dilation at 40 atm of pressure.
