OE-395 Intravascular Ultrasonic, Angioscopic and Histopathological Characterization of Heterogeneous Patterns of Restenosis after Sirolimus-Eluting Stent Implantation : Insights into Potential "Thromborestenosis" Phenomenon(OE67,Coronary Revascularization, PCI (Restenosis/Others) 3 (IHD),Oral Presentation (English),The 73rd Annual Scientific Meeting of The Japanese Circulation Society)