The utilization of everolimus-eluting coronary stents in a coronary artery diseases is effective in reducing both repeat revascularization and major adverse cardiac events within two year follow-up. To evaluate the procedural, short and long term clinical outcomes of multiple everolimus-eluting coronary stent implantation in long (>30mm) coronary lesions.

Inclusion Criteria:

1. Age ≥20 years and are able to undergo CABG
2. Females who are not pregnant
3. Patients who present with angina symptoms or myocardial ischemia
4. Patients available for post-procedural observation and coronary angiography at 24 months
5. Patients who have signed patient informed consent
6. Lesion length is more than 30mm
7. De novo lesion or non-stented restenosed lesion

Exclusion Criteria:

1. Patients contraindicated for antiplatelet therapy or anticoagulant therapy
2. Patients with significant allergic reaction to contrast medium
3. Chronic total occlusion
4. Lesion with TIMI0
5. Patients with chronic renal failure (SCr>3.0mg/dl) -